Nouns

(n)floatthe time interval between the deposit of a check in a bank and its payment
(n)floatthe number of shares outstanding and available for trading by the public
(n)ice-cream soda, ice-cream float, floata drink with ice cream floating in it
(n)floatan elaborate display mounted on a platform carried by a truck (or pulled by a truck) in a procession or parade
(n)float, plasterer's floata hand tool with a flat face used for smoothing and finishing the surface of plaster or cement or stucco
(n)floatsomething that floats on the surface of water
(n)air bladder, swim bladder, floatan air-filled sac near the spinal column in many fishes that helps maintain buoyancy

Verbs

(v)float, drift, be adrift, blowbe in motion due to some air or water current“The leaves were blowing in the wind”, “the boat drifted on the lake”, “The sailboat was adrift on the open sea”, “the shipwrecked boat drifted away from the shore”
(v)float, swimbe afloat either on or below a liquid surface and not sink to the bottom
(v)floatset afloat“He floated the logs down the river”, “The boy floated his toy boat on the pond”
(v)floatcirculate or discuss tentatively; test the waters with“The Republicans are floating the idea of a tax reform”
(v)floatmove lightly, as if suspended“The dancer floated across the stage”
(v)floatput into the water“float a ship”
(v)floatmake the surface of level or smooth“float the plaster”
(v)floatallow (currencies) to fluctuate“The government floated the ruble for a few months”
(v)floatconvert from a fixed point notation to a floating point notation“float data”