vesselEnglishOxford American Thesaurusvessel noun 1 the lifeboat was called to the aid of a fishing vessel: boat, sailboat, ship, yacht, craft, watercraft; literary barque, keel. 2 pour the decoction into a heatproof vessel: container, receptacle, repository, holder, carrier; basin, bowl, dish, pan, pot, can, tin, jar, jug, pitcher, carafe, flask, decanter; urn, tub, bin, tank, drum, canister, butt, vat, cask, barrel; box, case, chest, casket; archaic reservatory. 3 he burst a blood vessel during a fit of coughing: duct, tube, channel, passage, pipe; artery, vein; technical vas, trachea.