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Also available:
World English Dictionary
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dorsal fin
dor·sal fin
(
plural
dor·sal fins
)
noun
Definition:
fin on back:
a single fin on the back of a fish or other water animal such as a dolphin that gives it stability while swimming.
See also
ventral fin
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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