/ Dictionary / Index J jockey cap: Meaning and Definition of Find definitions for: jock'ey cap" Pronunciation: [key] a cap with a long visor, worn by jockeys. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jockey box jockey club Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language