/ Dictionary / Index J Jacquard card: Meaning and Definition of Find definitions for: Jac'quard card" Pronunciation: [key] (in a Jacquard loom) one of a series of perforated cards that control the manipulation of the warp threads and determine the intricate pattern woven on the material. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jacquard Jacquard loom Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language