O.E. flotian "to float" (class II strong verb; past tense fleat, pp. floten), from P.Gmc. *flutojanan (cf. O.N. flota, M.Du. vloten). Related: Floated; floating. The noun is attested from early 12c., "state of floating" (O.E. flot meant "body of water"); meaning "platform on wheels used for displays in parades, etc." is from 1888, probably from earlier sense of "flat-bottomed boat" (1557). Floater "dead body found in water" is 1890, U.S. slang.
To disseminate; send out: Reporters have been told to float their resumes(1970s+)
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D. Copyright (C) 2007 by HarperCollins Publishers. Cite This Source
float in Technology
programming The usual keyword for the floating-pointdata type, e.g. in the C programming language. The keyword "double" usually also introduces a floating-point type, but with twice the precession of a float. (2008-06-13)