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Meaning of WATER FLEA

Pronunciation:  'wotur flee

WordNet Dictionary
  1. [n]  minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae
  2. [n]  minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms
 Synonyms: cyclops, daphnia
 See Also: branchiopod, branchiopod crustacean, branchiopodan, copepod, copepod crustacean, genus Cyclops, genus Daphnia



Webster's 1913 Dictionary
\Wa"ter flea`\ (Zo["o]l.)
Any one of numerous species of small aquatic Entomostraca
belonging to the genera {Cyclops}, {Daphnia}, etc; -- so
called because they swim with sudden leaps, or starts.