/ Dictionary / Index S Sprague: Meaning and Definition of Find definitions for: Sprague Pronunciation: (sprāg), [key] — n. 1857–1934, U.S. electrical engineer and inventor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sprag sprain Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language