Commensal (?), n. [LL. commensalis; L. com- + mensa table: cf. F. commensal. Cf. Mensal.] 1. One who eats at the same table. [Obs.]
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2. (Zoöl.) An animal, not truly parasitic, which lives in, with, or on, another, partaking usually of the same food. Both species may be benefited by the association.
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