/ Dictionary / Index J jackass rig: Meaning and Definition of Find definitions for: jack'ass rig" Pronunciation: [key] — Naut. Naut. a rig of sails not conforming to a recognized type. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jackass penguin jackatar Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language