Spindrift usually refers to spray, particularly to the spray blown from cresting waves during a gale. This spray, which `drifts` in the direction of the gale, is one of the characteristics of a wind speed of 8 Beaufort and higher at sea. In Great Britain `spindrift` is the telltale sign used by mariners to define a Force 8 (Beaufort Scale) win... Found on http://en.wikipedia.org/wiki/Spindrift
Spin'drift noun Same as Spoondrift . « The ocean waves are broken up by wind, ultimately producing the storm wrack and spindrift of the tempest-tossed sea.» J. E. Marr. Found on http://www.encyclo.co.uk/webster/S/164