WordReference Random House Unabridged Dictionary of American English © 2026
swim blad′der. 
  1. FishSee air bladder (def. 2).
  • 1830–40

Collins Concise English Dictionary © HarperCollins Publishers::
swim bladder
  1. another name for air bladder1
'swim bladder' also found in these entries (note: many are not synonyms or translations):
In Lists: Fish, more...

Forum discussions with the word(s) "swim bladder" in the title:


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