1. (n.) A roommate, especially in a college or university; an old and intimate friend.

2. (v. i.) To occupy a chamber with another; as, to chum together at college.

3. (n.) Chopped pieces of fish used as bait.

ace amigo associate associate with assort with bedfellow bedmate bosom buddy buddy bunkie bunkmate butty camarade chamberfellow chum together chum with classmate clique clique with club together colleague comate companion company compeer comrade confidante confrere consociate consort consort with copartner crony familiar fellow fellow student fellowship flock together fraternize friend girl friend go with gossip hang around with hang out with herd together hobnob with join join in fellowship keep company with mate messmate mingle with mix with old crony pal pal up with pal with pard pardner partner playfellow playmate roommate run in couples run with running mate schoolfellow schoolmate shipmate side partner sidekick sort with take up with team up with teammate tie up with workfellow yokefellow yokemate