alveolus
1. [ noun ] (anatomy,zoology) a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
Synonyms: air_cell air_sac
Related terms: sac lung
2. [ noun ] (anatomy,zoology) a bony socket in the alveolar ridge that holds a tooth
Synonyms: tooth_socket
Related terms: socket alveolar_ridge
Similar spelling:   alveolitis
  alveolar
  alveolate
  Alvelo