Tricrotous

Tri"cro*tous (?), a. (Physiol.) Tricrotic.

Tricurvate

Tri*cur"vate (?), a. [Pref. tri- + curvate.] (Zoöl.) Curved in three directions; as, a tricurvate spicule (see Illust. of Spicule).

Tricuspid

Tri*cus"pid (?), a. [L. tricuspis, -idis; tri- (see Tri-) + cuspis a point: cf. F. tricuspide.]

1. Having three cusps, or points; tricuspidate; as, a tricuspid molar.

2. (Anat.) Of or pertaining to the tricuspid valves; as, tricuspid obstruction. Tricuspid valve (Anat.), the valve, consisting of three triangular membranous flaps, at the opening of the right auricle into the right ventricle in the heart of most mammals; -- sometimes called the tricuspid valves, each flap being regarded as a valve.

Tricuspidate

Tricus"pid*ate (?), a. Three-pointed; ending in three points; as, a tricuspidate leaf.

Tricycle

Tri"cy*cle (?), n. [Pref. tri- + cycle as inbicycle.] A three-wheeled velocipede. See Illust. under Velocipede. Cf. Bicycle.

Tridacna

Tri*dac"na (?), n. [L., pl., a kind of oysters, fr. Gr. eaten at three bites, tri- + to bite.] (Zoöl.) A genus of very large marine bivalve shells found on the coral reefs of the Indian and Pacific Oceans. One species (T. gigas) often weighs four or five hundred pounds, and is sometimes used for baptismal fonts. Called also paw shell, and fountain shell.

Tridactyl Tridactyle

Tri*dac"tyl Tri*dac"tyle (?), a. [Gr. : (see Tri-) + digit: cf. F. tridactyle.] (Biol.) Having three fingers or toes, or composed of three movable parts attached to a common base.
Tridactylous
Tri*dac"tyl*ous (?), a. (Biol.) Tridactyl.
Triddler
Trid"dler (?), n. (Zoöl.) The jacksnipe. [Local, U.S.]
Tride
Tride (?), a. [Cf. F. tride lively, quick.] Short and ready; fleet; as, a tride pace; -- a term used by sportsmen. Bailey.
Tridecane
Tri*dec"ane (?), n. [Pref. tri- + Gr. ten. So called from the number of carbon atoms in the molecule.] (Chem.) A hydrocarbon, C13H28, of the methane series, which is a probable ingredient both of crude petroleum and of kerosene, and is produced artificially as a light colorless liquid.
Tridecatoic
Tri`dec*a*to"ic (?), a. [Pref. tri- + Gr. de`katos tenth.] (Chem.) Of, pertaining to, or designating, that acid of the fatty acids heterologous with tridecane. It is a white crystalline substance.
Tridecatylene
Tri`de*cat"y*lene (?), n. [Pref. tri-+ Gr. tenth + E. ethylene.] (Chem.) A hydrocarbon, C13H26, of the ethylene series, corresponding to tridecane, and obtained from Burmah petroleum as a light colorless liquid; -- called also tridecylene, and tridecene.
Trident
Tri"dent (?), n. [L. tridens, -entis; tri- (see Tri-) + dens tooth: cf. F. trident. See Tooth.]
1. (Class Myth.) A kind of scepter or spear with three prongs, -- the common attribute of Neptune.
2. (Rom. Antiq.) A three-pronged spear or goad, used for urging horses; also, the weapon used by one class of gladiators.
3. A three-pronged fish spear.
4. (Geom.) A curve of third order, having three infinite branches in the direction and a fourth infinite branch in the opposite direction. Trident bat (Zoöl.), an Asiatic rhinolophid bat (Triænops Persicus), having the nose membrane in the shape of a trident.
Trident
Tri"dent, a. [L. tridens.] Having three teeth or prongs; tridentate.
Tridentate, Tridentated
Tri*den"tate (?), Tri*den"ta*ted (?), a. [NL. tridentatus. See Trident.] Having three teeth; three-toothed. Lee.
Tridented
Tri"dent*ed (?), a. Having three prongs; trident; tridentate; as, a tridented mace. [R.] Quarles.
Tridentiferous
Tri`dent*if"er*ous (?), a. [L. tridentifer; tridens trident + ferre to bear.] Bearing a trident.
Tridentine
Tri*den"tine (?), a. [From L. Tridentum Trent.] Of or pertaining to Trent, or the general church council held in that city.
Tridiapason
Tri*di`a*pa"son (?), n. [Pref. tri- + diaposon.] (Anc. Mus.) A triple octave, or twenty-second. Busby.
Tridimensional
Tri`di*men"sion*al (?), a. [Pref. tri- + dimensional.] (Chem.) Having three dimensions; extended in three different directions.
Triding
Tri"ding (?), n. A riding. See Trithing.
Triduan
Trid"u*an (?), a. [L. triduanus, fr. triduum space of three days; tri- + dies day.] Lasting three lays; also, happening every third day. [R.] Blount.
Tridymite
Trid"y*mite (?), n. [Gr. threefold. So called in allusion to the supposed threefold nature of the twin crystals.] (Min.) Pure silica, like quartz, but crystallizing in hexagonal tables. It is found in trachyte and similar rocks.
Tried
Tried (?), imp. & p. p. of Try. Also adj. Proved; tested; faithful; trustworthy; as, a tried friend.
Triedral
Tri*e"dral (?), a. See Trihedral.
Triennial
Tri*en"ni*al (?), a. [L. triennium the space of three years; tri- (see Tri-) + annus year. See Annual.]
1. Continuing three years; as, triennial parliaments; a triennial reign. Howell.
2. Happening, coming about, or appearing once in every three years; as, triennial elections; a triennial catalogue; a triennial visitation. T. Warton.
Triennial
Tri*en"ni*al, n. Something which takes place or appears once in three years.
Triennially
Tri*en"ni*al*ly, adv. Once in three years.
Triens
Tri"ens (?), n. [L., from tres, tria, three.] (Rom. Antiq.) A Roman copper coin, equal to one third of the as. See 3d As, 2.
Trier
Tri"er (?), n. [From Try.]
1. One who tries; one who makes experiments; one who examines anything by a test or standard. Boyle.
2. One who tries judicially.
3. (Law) A person appointed according to law to try challenges of jurors; a trior. Burrill.
4. That which tries or approves; a test. Shak.
Trierarch
Tri"er*arch (?), n. [L. trierarchus, Gr. ; a trireme + a leader, a chief.] (Gr. Antiq.) (a) The commander of a trireme. (b) At Athens, one who (singly, or jointly with other citizens) had to fit out a trireme for the public service.
Trierarchy
Tri"er*arch`y (?), n.; pl. Trierarchises (#). [ Gr. .] The office duty of a trierarch.
Trieterical
Tri`e*ter"ic*al (?), a. [L. trietericus, Gr. , fr. (sc. ) a triennial festival; (see Tri-.) + a year.] Kept or occurring once in three years; triennial. [R.] J. Gregory.
Trieterics
Tri`e*ter"ics (?), n. pl. [L. trieterica, pl., fr. Gr. of a triennial festival.] (Class. Antiq.) Festival games celebrated once in three years. [R.] May.
Triethylamine
Tri*eth`yl*am"ine (?), n. [Pref. tri- + ethylamine.] (Chem.) A tertiary amine analogous to trimethylamine.
Trifacial
Tri*fa"cial (?), a. [Pref. tri- + facial.] (Anat.) See Trigeminal.
Trifallow
Tri"fal`low (?), v. t. [imp. & p. p. Trifallowed (?); p. pr. & vb. n. Trifallowing.] [Pref. tri- + fallow. Cf. Thryfallow.] To plow the third time before sowing, as land. Mortimer.
Trifarious
Tri*fa"ri*ous (?), a. [L. trifarius of three sorts or ways, threefold; cf. Gr. . Cf. Bifarious.] (Bot.) Facing three ways; arranged in three vertical ranks, as the leaves of veratrum.
Trifasciated
Tri*fas"ci*a`ted (?), a. [Pref. tri- + fasciated.] Having, or surrounded by, three fasciæ, or bands.
Trifid
Tri"fid, a. [L. trifidus; tri- (see Tri-) + the root of findere to split: cf. F. trifide.] Cleft to the middle, or slightly beyond the middle, into three parts; three-cleft.
Trifistulary
Tri*fis"tu*la*ry (?), a. [Pref. tri- + fistula, fistular.] Having three pipes. Sir T. Browne.
Trifle
Tri"fle (?), n. [OE. trifle, trufle, OF. trufle mockery, raillery, trifle, probably the same word as F. truffe truffle, the word being applied to any small or worthless object. See Truffle.]
1. A thing of very little value or importance; a paltry, or trivial, affair.
With such poor trifles playing. Drayton.

Trifles light as air Are to the jealous confirmation strong As proofs of holy writ. Shak.

Small sands the mountain, moments make year, And frifles life. Young.

2. A dish composed of sweetmeats, fruits, cake, wine, etc., with syllabub poured over it.
Trifle
Tri"fle, v. i. [imp. & p. p. Trifled (?); p. pr. & vb. n. Trifling (?).] [OE. trifelen, truflen. See Trifle, n.] To act or talk without seriousness, gravity, weight, or dignity; to act or talk with levity; to indulge in light or trivial amusements.
They trifle, and they beat the air about nothing which toucheth us. Hooker.
To trifle with, to play the fool with; to treat without respect or seriousness; to mock; as, to trifle with one's feelings, or with sacred things.
Trifle
Tri"fle, v. t.
1. To make of no importance; to treat as a trifle. [Obs.] Shak.
2. To spend in vanity; to fritter away; to waste; as, to trifle away money. We trifle time." Shak.
Trifler
Tri"fler (?), n. One who trifles. Waterland.
Trifling
Tri"fling (?), a. Being of small value or importance; trivial; paltry; as, a trifling debt; a trifling affair. -- Tri"fling*ly, adv. -- Tri"fling*ness, n.
Trifloral, Triflorous
Tri*flo"ral (?), Tri*flo"rous (?), a. [Pref. tri- + L. flos, floris, flower.] (Bot.) Three-flowered; having or bearing three flowers; as, a triflorous peduncle.
Trifluctuation
Tri*fluc`tu*a"tion (?), n. [Pref. tri- + fluctuation.] A concurrence of three waves. [Obs.] A trifluctuation of evils." Sir T. Browne.
Trifoliate, Trifoliated
Tri*fo"li*ate (?), Tri*fo"li*a`ted (?), a. [Tri- + foliate. Cf. Trefoil.] (Bot.) Having three leaves or leaflets, as clover. See Illust. of Shamrock.
Trifoliolate
Tri*fo"li*o*late (?), a. [Pref. tri- + foliolate.] (Bot.) Having three leaflets.
Trifolium
Tri*fo"li*um (?), n. [L., clover.] (Bot.) A genus of leguminous herbs with densely spiked flowers and usually trifoliate leaves; trefoil. There are many species, all of which are called clover. See Clover.
Trifoly
Tri"fo*ly (?), n. [L. trifolium. See Trifoliate, Trefoil.] (Bot.) Sweet trefoil. [Obs.]
She was crowned with a chaplet of trifoly. B. Jonson.

Triforium
Tri*fo"ri*um (?), n. [LL., fr. L. tri- (see Tri-) + foris, pl. fores, a door.] (Arch.) The gallery or open space between the vaulting and the roof of the aisles of a church, often forming a rich arcade in the interior of the church, above the nave arches and below the clearstory windows.
Triform
Tri"form (?), a. [L. triformis; tri- (see Tri-) + forma form.] Having a triple form or character. This triform antagonism." I. Taylor.
Goddess Triform, I own thy triple spell. Lowell.

Triformity
Tri*form"i*ty (?), n. [L. triformitas.] The state of being triform, or of having a threefold shape.
Trifurcate, Trifurcated
Tri*fur"cate (?), Tri*fur"ca*ted (?), a. [L. trifurcus; tri- (see Tri-) + furca fork.] Having three branches or forks; trichotomous.
Trig
Trig (?), v. t. [Cf. Dan. trykke to press, Sw. trycka.] To fill; to stuff; to cram. [Obs.] Dr. H. More.
Trig
Trig, a. [Formerly written trick, akin to trick to dress.] Full; also, trim; neat. [Prov. Eng. & Scot.]
To sit on a horse square and trig. Brit. Quart. Rev.

Trig
Trig, v. t. [See Trigger.] To stop, as a wheel, by placing something under it; to scotch; to skid.
Trig
Trig, n. [See Trigger.] A stone, block of wood, or anything else, placed under a wheel or barrel to prevent motion; a scotch; a skid. [Eng.] Wright.
Trigamist
Trig"a*mist (?), n. [See Trigamy.] One who has been married three times; also, one who has three husbands or three wives at the same time.
Trigamous
Trig"a*mous (?), a. [L. trigamus a thrice-married man, Gr. thrice married; (see Tri-) + marriage: cf. F. trigame.] (Bot.) Having three sorts of flowers in the same head, -- male, female, and hermaphrodite, or perfect, flowers.
Trigamy
Trig"a*my (?), n. [L. trigamia,Gr. : cf. F. trigamie. See Trigamous.] The act of marrying, or the state of being married, three times; also, the offense of having three husbands or three wives at the same time.
Trigastric
Tri*gas"tric (?), a. [Pref. tri- + Gr. belly.] (Anat.) Having three bellies; -- said of a muscle. Dunglison.
Trigeminal
Tri*gem"i*nal (?), a. [See Trigeminous.] (Anat.) Of, pertaining to, or designating, the fifth pair of cranial nerves, which divide on each side of the head into three main branches distributed to the orbits, jaws, and parts of the mouth; trifacial.
Trigeminous
Tri*gem"i*nous (?), a. [L. trigeminus born three together; tri- (see Tri-) + geminus twin. Cf. Tergeminous.] Born three together; being one of three born at the same birth; also, threefold. E. Phillip.
Trigenic
Tri*gen"ic (?), a. [Pref. tri- + gen- + -ic. So named in reference to its composition, it being supposed to contain the radicals of three molecules of cyanic acid.] (Chem.) Of, pertaining to, or designating, an acid, C4H7N3O2, obtained, by the action of the vapor of cyanic acid on cold aldehyde, as a white crystalline substance having a slightly acid taste and faint smell; -- called also ethidene- ∨ ethylidene-biuret.
Trigesimo-secundo
Tri*ges"i*mo-se*cun"do (?), a. [L. in trigesimo-secundo in the thirty-second.] Having thirty-two leaves to a sheet; as, a trigesimo-secundo form, book, leaf, size, etc.
Trigesimo-secundo
Tri*ges"i*mo-se*cun"do, n. A book composed of sheets so folded that each one makes thirty-two leaves; hence, indicating, more or less definitely, a size of book; -- usually written 32mo, or 32°, and called thirty-twomo.
Trigger
Trig"ger (?), n. [For older tricker, from D. trekker, fr. trekken to draw, pull. See Trick, n.]
1. A catch to hold the wheel of a carriage on a declivity.
2. (Mech.) A piece, as a lever, which is connected with a catch or detent as a means of releasing it; especially (Firearms), the part of a lock which is moved by the finger to release the cock and discharge the piece. Trigger fish (Zoöl.), a large plectognath fish (Balistes Carolinensis or B. capriscus) common on the southern coast of the United States, and valued as a food fish in some localities. Its rough skin is used for scouring and polishing in the place of sandpaper. Called also leather jacket, and turbot.
Trigintal
Tri*gin`tal (?), n. [LL. trigintate, fr. L. triginta thirty. See Trental.] (R. C. Ch.) A trental.
Triglyceride
Tri*glyc"er*ide (?), n. [Pref. tri- + glyceride.] (Chem.) A glyceride formed by the replacement of three hydrogen atoms in glycerin by acid radicals.
Triglyph
Tri"glyph (?), n. [L. triglyphus, Gr. ; (see Tri-) + to carve: cf. F. triglyphe.] (Arch.) An ornament in the frieze of the Doric order, repeated at equal intervals. Each triglyph consists of a rectangular tablet, slightly projecting, and divided nearly to the top by two parallel and perpendicular gutters, or channels, called glyphs, into three parts, or spaces, called femora. A half channel, or glyph, is also cut upon each of the perpendicular edges of the tablet. See Illust. of Entablature.
Triglyphic, Triglyphical
Tri*glyph"ic (?), Tri*glyph"ic*al (?), a.
1. Consisting of, or pertaining to, triglyphs.
2. Containing three sets of characters or sculptures.
Trigness
Trig"ness (?), n. [See Trig trim, neat.] The quality or state of being trig; smartness; neatness.
Their spars had no man-of-war trigness. Kane.

Trigon
Tri"gon (?), n. [L. trigonum, Gr. ; (see Tri-) + a corner, angle: cf. F. trigone.]
1. A figure having three angles; a triangle.
2. (Astrol.) (a) A division consisting of three signs. (b) Trine, an aspect of two planets distant 120 degrees from each other. Hutton.
3. (Gr. & Rom. Antiq.) (a) A kind of triangular lyre or harp. (b) A kind of game at ball played by three persons standing at the angular points of a triangle.
Trigonal
Trig"o*nal (?), a. Having three angles, or corners; triangular; as, a trigonal stem, one having tree prominent longitudinal angles.