from The American Heritage® Dictionary of the English Language, 4th Edition
- Sperry, Elmer Ambrose 1860-1930. American engineer and inventor of numerous electrical devices, including the gyrocompass, a nonmagnetic navigational aid (1910).
- Sperry, Roger Wolcott 1913-1994. American neurobiologist. He shared a 1981 Nobel Prize for studies of the organization and functioning of the brain.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. United States engineer and inventor of the gyrocompass (1860-1930)
Sorry, no etymologies found.