The Collaborative International Dictionary of English v.0.48:
Floatation \Float*a"tion\, n. See Flotation. [1913 Webster]WordNet (r) 3.0 (2006):
floatation n 1: the phenomenon of floating (remaining on the surface of a liquid without sinking) [syn: flotation, floatation] 2: financing a commercial enterprise by bond or stock shares [syn: flotation, floatation]