float

To be supported by a fluid of greater density (than the object).

Helium balloons float in air, while air-filled balloons don't.

To be supported by a fluid of greater density (than the object).

The boat floated on the water.

The oil floated on the vinegar.

To cause something to be suspended in a fluid of greater density.

to float a boat

To be capable of floating.

That boat doesn't float.

Oil floats on vinegar.

To move in a particular direction with the liquid in which one is floating.

I’d love to just float downstream.

A buoyant device used to support something in water or another liquid.

Attach the float and the weight to the fishing line, above the hook.

'What you need are frogs,' said the veteran. 'Fish them at night. There's nothing like them on big cork floats.'

A mass of timber or boards fastened together, and conveyed down a stream by the current; a raft.

A float board.

A tool similar to a rasp, used in various trades.

A sort of trowel used for finishing concrete surfaces or smoothing plaster.

When pouring a new driveway, you can use a two-by-four as a float.