commensal

commensal is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(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.
  2. 2.Having the character of a commensal.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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Definition-first questions whose answer is commensal.

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