English

Definition of commensal adjective from the Oxford Advanced Learner's Dictionary

 

commensal

 adjective
adjective
BrE BrE//kəˈmensl//
 
; NAmE NAmE//kəˈmensl//
 
(biology)
 
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living on another animal or plant and getting food from the situation, but doing no harm commensal organisms Word Origin late 19th cent.: from medieval Latin commensalis, from com- ‘sharing’ + mensa ‘a table’.
See the Oxford Advanced American Dictionary entry: commensal