1. One who eats at the same table. [Obs.]

2. (Zoöl.)

Defn: 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.

COMMENSAL
Com*men"sal, a.

Defn: Having the character of a commensal.

COMMENSALISM
Com*men"sal*ism, n.

Defn: The act of eating together; table fellowship.

COMMENSALITY
Com`men*sal"i*ty, n.

Defn: Fellowship at table; the act or practice of eating at the same table. [Obs.] "Promiscuous commensality." Sir T. Browne.

COMMENSATION
Com`men*sa"tion, n.