1. noun /fləʊt,floʊt/
a) 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.
b) A tool similar to a rasp, used in various trades
When pouring a new driveway, you can use a two-by-four as a float.
2. verb /fləʊt,floʊt/
a) 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.
b) To cause something to be suspended in a liquid of greater density; as, to float a boat.
The oil floated on the vinegar.
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