alvéolo

Etymology
Borrowed from.

Noun

 * 1)  alveolus small air sac in the lungs
 * 2)  dental alveolus; tooth socket socket in the jaw in which the roots of teeth are held
 * 3) alveolus small cavity or pit
 * 4) cell hexagonal compartment in a honeycomb
 * 5)  alluvial fan cone-shaped deposit of alluvium

Etymology
.

Noun

 * 1)  alveolus anatomical structure that has the form of a hollow cavity