alveolus - definitions and synonyms

alveolus noun

  1. English Meaning: 

    : a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways

    Synonyms:

    air cell / air sac
  2. English Meaning: 

    : a bony socket in the alveolar ridge that holds a tooth

    Synonyms:

    tooth socket