1. (n.) One who has a part in anything with an other; a partaker; an associate; a sharer. Partner of his fortune. Shak. Hence: (a) A husband or a wife. (b) Either one of a couple who dance together. (c) One who shares as a member of a partnership in the management, or in the gains and losses, of a business.

2. (n.) An associate in any business or occupation; a member of a partnership. See Partnership.

3. (n.) A framework of heavy timber surrounding an opening in a deck, to strengthen it for the support of a mast, pump, capstan, or the like.

4. (v. t.) To associate, to join.

a party to accessory accompanier accompanist accompanyist accomplice accumulate ace act in concert act together affiliate agglomerate aggregate aggroup ally alter ego amalgamate amass amigo assemble assistant associate attendant band band together batch be in cahoots be in league bedfellow bedmate better half birthmate bosom buddy bring together buddy bulk bunch bunch together bunch up bunkie bunkmate butty cabal camarade cement a union centralize chamberfellow chum classmate club club together clubmate clump cluster coact coalesce cohort collaborate collaborator colleague collect colligate collocate collude comate combine come together companion companion piece company compare compeer compile comrade concert concord concur confederate confrere conglomerate consociate consolidate consort conspire cooperate copartner copemate copesmate corral cotenant couchmate couple cradlemate crony cumulate cupmate dig up do business with draw together dredge up drive together federalize federate fellow fellow student friend fuse gang gang up gather gather in gather together general partner get heads together get in get together girl friend go in partners go in partnership go partners gossip group hang together harmonize helper helpmate helpmeet hold together hook up hook up with husband jailmate join join forces join fortunes with join in join together join up with join with juxtapose keep together league league together lump together make common cause make up marry mass match mate merge messmate mobilize muster old crony organize pair pair off pal pard pardner partaker participant participator party pewmate play ball playfellow playmate pull together put heads together put together raise rake up rally reciprocate roommate round up schoolfellow schoolmate scrape together secret partner shareholder sharer shelfmate shipmate shopmate side partner sidekick sidekicker silent partner sleeping partner special partner spouse stand together stand up with tablemate take up team up team up with team with teammate tentmate throw in together throw in with tie in tie in with tie up tie up with unionize unite unite efforts unite with watchmate waymate wed whip in wife work together workfellow yokefellow yokemate