Companion

1. (n.) One who accompanies or is in company with another for a longer or shorter period, either from choice or casually; one who is much in the company of, or is associated with, another or others; an associate; a comrade; a consort; a partner.

2. (n.) A knight of the lowest rank in certain orders; as, a companion of the Bath.

3. (n.) A fellow; -- in contempt.

4. (n.) A skylight on an upper deck with frames and sashes of various shapes, to admit light to a cabin or lower deck.

5. (n.) A wooden hood or penthouse covering the companion way; a companion hatch.

6. (v. t.) To be a companion to; to attend on; to accompany.

7. (v. t.) To qualify as a companion; to make equal.

Thesaurus Entries

Bayard, Don Quixote, Gawain, Lancelot, Ritter, Sidney, Sir Galahad, abigail, accompanier, accompanist, accompanyist, ace, adjunct, ally, alter ego, amah, amiable, amigo, analogon, analogue, associate, attend, attendant, au pair girl, ayah, bachelor, back, back stairs, balance rudder, banneret, baronet, batten, beak, beakhead, beam, bear, bedfellow, bedmate, betweenmaid, biddy, bilge keelson, bitt, board, bodyguard, bollard, bollard timber, bosom buddy, bow, bracket plate, bridge, bring, brother, brother-in-arms, buddy, bulkhead, bulwarks, bunkie, bunkmate, butty, caballero, cam cleat, camarade, capstan, carling, carry, casemate, cathead, cavalier, ceiling, centerboard, chamberfellow, chambermaid, chaperon, chaperone, chevalier, chum, classmate, cleat, close copy, close match, coadjutor, cognate, cohort, colleague, comate, companion, companion piece, companionable, companionway, company, compatriot, compeer, complacent, complement, comrade, concomitant, conduct, conductor, confederate, confrere, congenator, congener, conning tower, consociate, consort, consort with, convivial, convoy, cook, coordinate, copartner, copy, correlate, correlative, correspondent, counter, counterpart, crony, cutwater, daggerboard, davit, dead ringer, deadwood, double, duenna, duplicate, effigy, enchiridion, entrance, equivalent, escalier, escort, esquire, exact likeness, fantail, fellow, fellow member, fellow student, fellow traveler, femme de chambre, figurehead, fille de chambre, fire escape, flight of steps, forefoot, foresheets, foretop, frame, freeboard, futtock, gangplank, gangway, garboard strake, gentlewoman, girl, girl friend, good-natured, gossip, guard, gudgeon, guide, gunnel, gunwale, handbook, handmaid, handmaiden, hatch, hatchway, hawse, hawse timber, hawsehole, hawsepiece, hawsepipe, head, heel, hired girl, housemaid, icon, idol, image, incline, island, keel, keel and keelson, keelson, kevel, kindred spirit, kitchenmaid, knee, knight, knight bachelor, knight banneret, knight baronet, knight-errant, lady-help, lady-in-waiting, landing, landing stage, larboard, lee, lee side, leeward, like, likeness, live-in maid, live-out maid, living image, living picture, maid, maidservant, maintop, manual, match, mate, messmate, miniature, mirroring, mizzentop, model, near duplicate, nose, nursemaid, obverse, old crony, paddle wheel, pal, parallel, pard, pardner, parlormaid, partner, pendant, perron, photograph, picture, pintle, planking, playfellow, playmate, poop, port, porthole, portrait, portside, post, propeller, prow, pulpit, rail, ramp, reciprocal, reference book, reflection, resemblance