S: (n) float (an elaborate display mounted on a platform carried by a truck (or pulled by a truck) in a procession or parade)
S: (n) float, plasterer's float (a hand tool with a flat face used for smoothing and finishing the surface of plaster or cement or stucco)
S: (n) float (something that floats on the surface of water)
S: (n) air bladder, swim bladder, float (an air-filled sac near the spinal column in many fishes that helps maintain buoyancy)
Verb
S: (v) float, drift, be adrift, blow (be 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"
S: (v) float, swim (be afloat either on or below a liquid surface and not sink to the bottom)
S: (v) float (set afloat) "He floated the logs down the river"; "The boy floated his toy boat on the pond"
S: (v) float (circulate or discuss tentatively; test the waters with) "The Republicans are floating the idea of a tax reform"
S: (v) float (move lightly, as if suspended) "The dancer floated across the stage"
S: (v) convert, change over (change from one system to another or to a new plan or policy) "We converted from 220 to 110 Volt"
S: (v) change, alter, modify (cause to change; make different; cause a transformation) "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"