alveoli

1 definition found

alveoli - Collaborative International Dictionary of English v.0.48 :

  Alveolus \Al*ve"o*lus\ ([a^]l*v[=e]"[-o]*l[u^]s), n.; pl.
     Alveoli (-l[imac]). [L., a small hollow or cavity, dim. of
     alveus: cf. F. alv['e]ole. See Alveary.]
     1. A cell in a honeycomb.
        [1913 Webster]
  
     2. (Zool.) A small cavity in a coral, shell, or fossil.
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     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.
        [1913 Webster]