Variant of alveolus
noun pl. alveoli
- Anat., Zool. a small cavity or hollow, as a cell of a honeycomb, air cell of a lung, tooth socket, etc.
- the alveolar ridge; teethridge
Origin: Classical Latin diminutive of alveus, a hollow, cavity ; from alvus, the belly, womb ; from Indo-European base an unverified form au-lo-s from source Classical Greek aulos, flute, Lithuanian aulỹs, beehive