Definition of "commensalism" []

• A symbiotic relationship between two organisms of different species in which one derives some benefit while the other is unaffected. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This kind of mutually beneficial external partnership is called commensalism, i.e. eating at the same table.] [Illustration: _P.oto: G.P. Duffus."
• "He uses terms like commensalism and epiphyte, and primary and secondary forest, and crepuscular; and our brains scramble to keep up."
• "Such commensalism may be restricted to the ilagiit, particularly when resources are scarce, or may include a large segment of the community."