Webster's Revised Unabridged Dictionary (1913 + 1828)
result(s) from the 1913
Twit"ter (?), n. [From Twit.] One who twits, or reproaches; an upbraider.
Twit"ter, v. i. [imp. & p. p. Twittered (?); p. pr. & vb. n. Twittering.] [OE. twiteren; of imitative origin; cf. G. zwitschern, OHG. zwizzirn, D. kwetteren, Sw. qwitra, Dan. quiddre. Cf. Titter.]
1. To make a succession of small, tremulous, intermitted noises.
The swallow twittering from the straw-built shed.
2. To make the sound of a half-suppressed laugh; to titter; to giggle.
3. [Perhaps influenced by twitch.] To have a slight trembling of the nerves; to be excited or agitated.
Twit"ter, v. t. To utter with a twitter.
1. The act of twittering; a small, tremulous, intermitted noise, as that made by a swallow.
2. A half-suppressed laugh; a fit of laughter partially restrained; a titter; a giggle.
3. A slight trembling or agitation of the nerves.