water flea

noun

Definition of water flea

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

Recent Examples of water flea from the Web

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First Known Use of water flea

1687


WATER FLEA Defined for Kids

water flea

noun

Definition of water flea for Students

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

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