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killifish definition

☆ killi·fish (kil′i fis̸h′)

noun pl. killifish -·fish′, killifishes -·fish′es

any of a family (Cyprinodontidae, order Atheriniformes) of small, freshwater bony fishes used in mosquito control and as bait
also killie kil′·lie (-ē)

Etymology: killie, killifish (< kill + -ie) + fish

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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