air sac (0 synonym found)

We don't have synonyms for air sac yet — it may be a rare, specialized, newly coined, or misspelled word.

We don't have any synonyms for air sac yet.

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Definition of air sac:

(n) : An extension of a lung of some birds.
(n) : An alveolus.
Definition of air sac:

(n) : An extension of a lung of some birds.
(n) : An alveolus.
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