/ Dictionary / Index E Exercycle: Meaning and Definition of Find definitions for: Ex•er•cy•cle Pronunciation: (ek'sur-sī"kul), [key] — Trademark. Trademark. a brand of exercise bicycle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: exercycle (Thesaurus) exercitation exergonic Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language