/ Dictionary / Index J jack-tar: Meaning and Definition of Find definitions for: jack-tar Pronunciation: ( jak'tär'), [key] — n. a sailor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jack-tar (Thesaurus) jackstraw jack towel Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language