(nautical) A float moored in water to mark a location, warn of danger, indicate a navigational channel or for other purposes / A life-buoy; a life preserver.

(transitive) To keep afloat or aloft; used with up. / (transitive) To support or maintain at a high level. / (transitive) To mark with a buoy.

present participle of buoy

Third-person singular simple present indicative form of buoy

plural of buoy

simple past tense and past participle of buoy

A buoy on which is mounted a bell with four clappers, hung inside an iron cage, which is rung by the motion of the waves

Alternative form of life buoy

(nautical) A ring lifebuoy, fitted with canvas breeches, rigged between ship and shore, for rescuing seamen when a ship is in danger of breaking up; also used for transferring people from ship to ship at sea.

(nautical) A small buoy, sometimes made of cork with a small flag, used to temporarily mark a position at sea, normally to mark a fishing ground, a minesweeping area, or a man overboard.