water flea

noun
any of various small crustaceans that move about in the water like fleas, as those of the genus Daphnia.

Origin:
1575–85

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To water flea
Collins
World English Dictionary
water flea
 
n
See also daphnia any of numerous minute freshwater branchiopod crustaceans of the order Cladocera, which swim by means of hairy branched antennae

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
Add the humble water flea, a freshwater relative of shrimp, to the list of creature with their genes mapped.
When a water flea or some other small creature swims past, it bends trigger hairs on the bladder, causing a flap to open.
Small animals such as the spiny water flea can travel unnoticed by hopping onto a kayak or other recreational equipment.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature