From WordNet (r) 3.0 (2006): Sperry n 1: United States engineer and inventor of the gyrocompass (1860-1930) [syn: Sperry, Elmer Ambrose Sperry]
Sperry n 1: United States engineer and inventor of the gyrocompass (1860-1930) [syn: Sperry, Elmer Ambrose Sperry]