To rest on the surface of water or other liquid, with or without movement; more commonly, to be buoyed up by water and moved by its motion alone.To rest or move in or as if in a liquid medium; be or appear to be buoyed up, moved, or carried along by or with the aid of a surrounding element: as, clouds, motes, feathers, etc., float in the air; odors float on the breeze; strains of music float on the wind.To drift about fortuitously; be moved or carried along aimlessly or vaguely; go and come passively: as, a rumor has floated hither; confused notions floating in the mind.In weaving, to pass, as a thread, crosswise under or over several threads without intersecting them.To cause to float; buoy; cause to be conveyed on the surface of a liquid: as, the tide floated the ship into the harbor; to float timber down a river.To cover with water; flood; irrigate.In oyster-culture, to place on a float for fattening. See float, n., 1 .In plastering, to pass over and level the surface of, as plaster, with a float frequently dipped in water.In ceramics, to wash over or cover with a thin coat, as of varnish, or with enamel.In white-lead making, to subject to the process of floating. See floating, n., 4.In farriery, to file, as the teeth of horses, especially old horses.To set afloat; give course or effect to; procure recognition or support for: used of financial operations: as, to float stocks or bonds; to float a scheme by raising funds to carry it on.In sporting, to hunt by approaching with a boat or float at night: as, to float deer.n. That which floats, rests, or moves on the surface of water or other liquid.n. Specifically— A boat.n. A fleet.n. A collection of timber, boards, or planks fastened together and floated down a stream; a raft.n. A fishing-float.n. A platform of planks or other material, as a galvanized iron netting or something similar, on which oysters are piled in fresh water to fatten for marketing.n. A floating platform fastened to a wharf or the shore, from which to embark in or land from boats, as a landing-place at a ferry.n. A cork or other light substance used on an angling-line to support it and show by its movement when a fish takes the hook.n. The small piece of ivory on the surface of the mercury in the basin of a barometer.n. The hollow metallic sphere of a self-acting faucet, which floats in the boiler of a steam-engine or in a cistern.n. The act or state of floating: now only in the prepositional phrase or adverb afloat.n. The act of flowing; flux; flood; flood-tide.n. A wave.n. An inflated bag or pillow used to sustain a person in the water; a cork jacket; a life-preserver.n. A platform on wheels, bearing a group of objects or persons forming a tableau or scenic effect, and designed to be drawn through the streets in a procession.n. A kind of dray having the body hung below the axle, used for transporting heavy goods.n. A coal-cart.n. A name of various mechanical tools and appliances.n. pl. Theat., the footlights: in allusion to the wicks, which floated in a trough filled with oil.n. In weaving, especially of fancy fabrics, the passing of a thread crosswise under or over several threads without intersecting them.n. In zoology: In Mollusca, specifically, the vesicular appendage of the Ianthinidæ. See cut under Ianthinidæ.n. A local name of a discoid medusa of the genus Velella.n. An air-sac or other light hollow or vesicular part or organ which floats or buoys some animals on the water, as the pneumatophore or pneumatocyst of a hydrozoan.n. Same as floater, 4.n. A timber drag used for dressing off roads, especially race-courses.n. In stereotyping by the plaster process, the iron plate (about half an inch thick) which upholds the baked plaster mold in its dipping-pan. The plate and the pan float in a bath of the much heavier medium of melted type-metal.n. In geology and mining, loose pieces of ore which have become detached from the parent mass in place and have traveled a greater or less distance. They indicate the presence of a vein and guide the prospector in his discoveries.n. plural Commercial fertilizers consisting of low-grade phosphates ground to an impalpable powder. They are used with special advantage in connection with green manures and in composts to render the phosphoric acid more available.