WordReference Random House Unabridged Dictionary of American English © 2026
ven′tral fin′. 
  1. FishSee pelvic fin. 
  • 1745–55

Collins Concise English Dictionary © HarperCollins Publishers::
ventral fin
  1. another name for pelvic fin
  2. any unpaired median fin situated on the undersurface of fishes and some other aquatic vertebrates
'ventral fin' also found in these entries (note: many are not synonyms or translations):
pelvic fin
In Lists: Fish, more...

Forum discussions with the word(s) "ventral fin" in the title:


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