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What is another word for
air sac
?
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Definitions and Synonyms of
air sac
| Another word for
air sac
| What is
air sac?
Definition 1: any of the membranous air-filled extensions of the lungs of birds - [noun denoting animal]
(
air sac
is a kind of ...) a structure resembling a bag in an animal
sac
(... is part of
air sac
) warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
bird
Definition 2: any of the thin-walled extensions of the tracheae of insects - [noun denoting animal]
(
air sac
is a kind of ...) a structure resembling a bag in an animal
sac
(... is part of
air sac
) small air-breathing arthropod
insect
Definition 3: a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways - [noun denoting body]
Synonyms for air sac in the sense of this definition
air cell
alveolus
(
air sac
is a kind of ...) a structure resembling a bag in an animal
sac
(... is part of
air sac
) either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
lung
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Other word for
air sock
air sock meaning and synonyms
How to pronounce
air sock