Webster's Revised Unabridged Dictionary (1913 + 1828)

Displaying 1 result(s) from the 1913 edition:
Alveolus (Page: 45)

Al*ve"o*lus (#), n.; pl. Alveoli (#). [L., a small hollow or cavity, dim. of alveus: cf. F. alvéole. See Alveary.]

1. A cell in a honeycomb.

2. (Zoöl.) A small cavity in a coral, shell, or fossil

3. (Anat.) A small depression, sac, or vesicle, as the socket of a tooth, the air cells of the lungs, the ultimate saccules of glands, etc.