/ Dictionary / Index J jackass bark: Meaning and Definition of Find definitions for: jack'ass bark" Pronunciation: [key] — Naut. Naut. a barkentine square-rigged on the mainmast above a gaff mainsail. Also calleda sailing ship having four or more masts, the foremast and mainmast being wholly square-rigged, the others being fore-and-aft-rigged. any sailing ship of three or more masts carrying an otherwise nameless rig. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jackass jackass brig Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language