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water flea

noun

Definition of water flea

  1. :  any of various small active dark or brightly colored aquatic crustaceans (as a daphnia or cyclops)



Circa 1585

First Known Use of water flea

circa 1585


WATER FLEA Defined for Kids

water flea

noun

Definition of water flea for Students

  1. :  a tiny often brightly colored freshwater animal related to the crab and lobster




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