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dorsal fin

 - 2 dictionary results

dorsal fin

 
Use dorsal fin in a Sentence
–noun
the fin or finlike integumentary expansion generally developed on the back of aquatic vertebrates.

Origin:
1760–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To dorsal fin
dorsal fin  
n.  The main fin located on the back of fishes and certain marine mammals.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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