/ Dictionary / Index M monkey jacket: Meaning and Definition of Find definitions for: mon'key jack"et Pronunciation: [key] a short, close-fitting jacket or coat, formerly worn by sailors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monkey island monkey link Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language