Anything which floats or rests on the surface of a fluid, as to sustain weight, or to indicate the height of the liquid surface, or mark the place of, something.

The hollow, metallic ball of a self-acting faucet, which floats upon the water in a cistern or boiler.

The hollow, metallic ball which floats on the fuel in the fuel tank of a vehicle to indicate the level of the fuel surface, and thus the amount of fuel remaining.

A hollow elongated tank mounted under the wing of a seaplane which causes the plane to float when resting on the surface of the water.

A contrivance for affording a copious stream of water to the heated surface of an object of large bulk, as an anvil or die.

To cause to float; to cause to rest or move on the surface of a fluid; as, the tide floated the ship into the harbor.

something that remains on the surface of a liquid

A formation on the water surface in which two to eight swimmers are connected horizontally.

A surface formation where between two and eight swimmers are connected horizontally.