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Related to epizoa: ectozoan, parasiticide


 (ĕp′ĭ-zō′ŏn, -ən)
n. pl. ep·i·zo·a (-zō′ə)
An epizoic organism.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -zoa (-ˈzəʊə)
(Zoology) an animal, such as a parasite, that lives on the body of another animal
[C19: New Latin, from epi- + Greek zōion animal]
ˌepiˈzoan adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌɛp əˈzoʊ ɒn, -ən)

also ep`i•zo′ite,

n., pl. -zo•a (-ˈzoʊ ə) also -zo•ites.
an external parasite or commensal on the body of an animal.
[1830–40; epi- + -zoon]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.epizoon - any external parasitic organism (as fleas)
parasite - an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host
flea - any wingless bloodsucking parasitic insect noted for ability to leap
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