Pronunciation: (hôrs'pou"ur), [key]
1. a foot-pound-second unit of power, equivalent to 550 foot-pounds per second, or 745.7 watts.
2. Informal.the capacity to achieve or produce; strength or talent: The university's history faculty is noted for its intellectual horsepower.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.