[ fawr-uh-see ]
/ ˈfɔr ə si /
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noun Zoology.

(among insects and arachnids) a nonparasitic relationship in which one species is carried about by another.



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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

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Origin of phoresy

1920–25; <New Latin phoresia<Greek phórēs(is) a wearing (phorē-, verbid stem of phoreîn, durative of phérein to bear1 + -sis-sis) + -ia-y3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for phoresy

/ (ˈfɒrəsɪ) /


an association in which one animal clings to another to ensure movement from place to place, as some mites use some insects

Word Origin for phoresy

C20: from New Latin phoresia, from Greek phorēsis, from pherein to carry
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

Medical definitions for phoresy

[ fôrĭ-sē ]


A symbiotic relationship, especially among arthropods and some fishes, in which one organism transports another organism of a different species.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.