What does FLOAT mean?

verb

1. be in motion due to some air or water current“The leaves were blowing in the wind”
2. be afloat either on or below a liquid surface and not sink to the bottom
3. set afloat“He floated the logs down the river”
4. circulate or discuss tentatively; test the waters with“The Republicans are floating the idea of a tax reform”
5. move lightly, as if suspended“The dancer floated across the stage”
6. put into the water“float a ship”
7. make the surface of level or smooth“float the plaster”
8. allow (currencies) to fluctuate“The government floated the ruble for a few months”