air bladder

noun
|Updated on: 8 Jul 2018

Definition of air bladder

: a sac containing gas and especially air; especially : a hydrostatic organ present in most fishes that serves as an accessory respiratory organ

Recent Examples of air bladder from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'air bladder.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of air bladder

illustration of air bladder

First Known Use of air bladder

1731

in the meaning defined above

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