Source : Webster's Revised Unabridged Dictionary (1913)

Floatation \Float*a"tion\, n.
   See {Flotation}.

Source : WordNet®

floatation
     n 1: the phenomenon of floating (remaining on the surface of a
          liquid without sinking) [syn: {flotation}]
     2: financing a commercial enterprise by bond or stock shares
        [syn: {flotation}]