English
Detailed Synonyms for air sac in English
air sac:
air sac [the ~] nom
-
the air sac
– any of the membranous air-filled extensions of the lungs of birds 1 -
the air sac
– any of the thin-walled extensions of the tracheae of insects 1 -
the air sac
– a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways 1