boat

1 a small buoyant structure for travel on water paddling the little boat across the lake is great exercise, but tiring Synonyms bottom, craft, vessel, watercraft Related Words catboat, ketch, sailboat, schooner, yacht; bateau, caïque, canoe, catamaran, coracle, curragh (or currach), dhow, dinghy, dink, dory, dugout, flatboat, garvey, gig, johnboat, kayak, outrigger, paddleboat, pinnace, piragua, pirogue, pontoon, pram, punt, raft, rowboat, rowing boat [chiefly British], sampan, scow, scull, shallop, shell, skiff, surfboat, umiak, wherry; cruiser, inboard, motorboat, outboard, powerboat; houseboat, riverboat; auxiliary, bumboat, cutter, jolly boat, launch, lifeboat, longboat, tender, yawl; barge, hoy, keel, keelboat, lighter, narrow boat [British]; towboat, tug, tugboat; ferry, ferryboat, gondola, taxi, water taxi; banker, coble, dragger, gillnetter, hooker, lugger, scalloper, seiner, shrimper, trawler, whaleboat, whaler, workboat; cockleshell, tub; airboat, air-cushion vehicle, hovercraft; hydrofoil, hydroplane; assault boat, PT boat, torpedo boat

2 a large craft for travel by water you'll have to take a passenger boat to get to the island Synonyms ship, keel, vesselRelated Words aircraft carrier, argosy, barge, coaster, collier, containership, corvette, cruiser, cutter, destroyer, ferryboat, flagship, freighter, icebreaker, ironclad, lightship, liner, man-of-war (also man-o'-war), merchantman, merchant ship, motor ship, packet, steamer, steamship, superliner, supertanker, tanker, trader, tramp, transport, warship, watercraft; bark (or barque), brig, brigantine, caravel, clipper, junk, ketch, sailboat, schooner, square-rigger, tall ship, windjammer, xebec, yacht