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.”
A mass of timber or boards fastened together, and conveyed down a stream by the current; a raft.
verb
Of an object or substance, to be supported by a liquid of greater density than the object so as that part of the object or substance remains above the surface.
“The boat floated on the water.”
To cause something to be suspended in a liquid of greater density.