/ Dictionary / Index P pea jacket: Meaning and Definition of Find definitions for: pea' jack"et Pronunciation: [key] a short coat of thick wool, usually double-breasted and navy in color, worn by seamen, fishermen, etc. a jacket or short coat styled like this, worn by adults and children. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. peahen peak Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language