Air Sac
nounverified·updated May 18, 2026
any of the membranous air-filled extensions of the lungs of birds
polysemousMWEWordset Dictionary
Senses
Wordset Dictionary
any of the thin-walled extensions of the tracheae of insects
Wordset Dictionary
a tiny sac for holding air in the lungs
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- air cellalveolus
- plural
- Air Sacs
- possessive
- Air Sac's
- pluralpossessive
- Air Sacs'