/ Dictionary / Index J jackyard: Meaning and Definition of Find definitions for: jack•yard Pronunciation: ( jak'yärd"), [key] — n. Naut. a small, inclined spar upholding the head of a quadrangular gaff topsail similar in form to a lugsail. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jacky jacky tar Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language