/ Dictionary / Index E exerciser: Meaning and Definition of Find definitions for: ex•er•cis•er Pronunciation: (ek'sur-sī"zur), [key] — n. a person or thing that exercises. an athletic device or machine employed in exercising. a groom in a stable responsible for exercising horses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: exerciser (Thesaurus) exercise price exercitation Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language