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[ahy-suh-pod] /ˈaɪ səˌpɒd/
any freshwater, marine, or terrestrial crustacean of the order or suborder Isopoda, having seven pairs of legs typically adapted for crawling, and a dorsoventrally flattened body, and including wood lice, several aquatic parasites of crabs and shrimps, and numerous swimming or bottom-dwelling species.
of, relating to, or characteristic of the Isopoda.
having the feet all alike, or similar in character.
1825-35; < New Latin Isopoda. See iso-, -pod
Related forms
[ahy-sop-uh-dn] /aɪˈsɒp ə dn/ (Show IPA),
adjective, noun
isopodous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for isopod
  • The blue part of the image is an isopod-a small crustacean.
  • Subterranean aquatic species exhibit similar biodiversity, particularly among the crustacean amphipod and isopod groups.
British Dictionary definitions for isopod


any crustacean of the order Isopoda, including woodlice and pill bugs, in which the body is flattened dorsoventrally
of, relating to, or belonging to the Isopoda
Derived Forms
isopodan (aɪˈsɒpədən), isopodous, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for isopod

1835, from French isopode, from Latin isopoda (neuter plural), from Greek iso- (see iso-) + pod-, stem of pous "foot" (see foot (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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isopod in Science
Any of numerous mostly small crustaceans of the order Isopoda, characterized by a flattened body and a series of wide, armorlike plates covering the back. Isopods include the sow bugs, pill bugs, and gribbles.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for isopod

any member of the order Isopoda (class Crustacea), a group of diverse, widely occurring forms including marine, freshwater, and terrestrial species. Most are free-living, but a number of marine species are parasitic on other animals. They are usually inconspicuous. Most of the 4,000 species, which include the pill bug, the sow bug, and the gribble (qq.v.), are from 0.7 to 35 mm (0.28 to 1.4 inches) long; however, Bathynomus giganteus, a marine species of the Caribbean Sea, grows to 35 cm (14 inches)

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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