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

1.

A cell in a honeycomb.

2. Zool.

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.

 

© Webster 1913.

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