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commensal

[kuh-men-suh l] /kəˈmɛn səl/
adjective
1.
eating together at the same table.
2.
Ecology. (of an animal, plant, fungus, etc.) living with, on, or in another, without injury to either.
3.
Sociology. (of a person or group) not competing while residing in or occupying the same area as another individual or group having independent or different values or customs.
noun
4.
a companion at table.
5.
Ecology. a commensal organism.
Origin
1350-1400
1350-1400; Middle English < Medieval Latin commēnsālis. See com-, mensal2
Related forms
commensalism, noun
commensality
[kom-en-sal-i-tee] /ˌkɒm ɛnˈsæl ɪ ti/ (Show IPA),
noun
commensally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for commensality

commensal

/kəˈmɛnsəl/
adjective
1.
(of two different species of plant or animal) living in close association, such that one species benefits without harming the other
2.
(rare) of or relating to eating together, esp at the same table commensal pleasures
noun
3.
a commensal plant or animal
4.
(rare) a companion at table
Derived Forms
commensalism, noun
commensality (ˌkɒmɛnˈsælɪtɪ) noun
commensally, adverb
Word Origin
C14: from Medieval Latin commensālis, from Latin com- together + mensa table
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 commensality
commensal
"one who eats at the same table," c.1400, from O.Fr. commensal, from M.L. commensalis, from com- "together" + mensa (gen. mensalis) "table." Biological sense attested from 1870.
Online Etymology Dictionary, © 2010 Douglas Harper
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commensality in Medicine

commensal com·men·sal (kə-měn'səl)
adj.
Of, relating to, or characterized by a symbiotic relationship in which one species is benefited while the other is unaffected. n.
An organism participating in a symbiotic relationship in which one species derives some benefit while the other is unaffected.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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