/ Dictionary / Index H hydraulic motor: Meaning and Definition of Find definitions for: hydrau'lic mo'tor Pronunciation: [key] a motor that converts the kinetic or potential energy of a fluid into mechanical energy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydraulic mining hydraulic pile Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language