Meaning

2 senses

  1. An alveolus.

  2. An extension of a lung of some birds.

More definitions
  • any of the membranous air-filled extensions of the lungs of birds
  • any of the thin-walled extensions of the tracheae of insects
  • a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways

Forms

plural: air sacs
Singularair sac
Pluralair sacs

regular

Synonyms

2 synonyms
Close in meaning
  • a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways:alveolusair cell

See also

neighbours in the dictionary
aimB2aimlesslyC1airA2airbagairborneaircraftB2
air sac — meaning, examples, forms, synonyms | Krumeto