J

adj. Pertaining to, or invented by, Jacquard, a French inventor, who died in 1834. Jacquard apparatus or arrangement, a device applied to looms for weaving figured goods, consisting of mechanism controlled by a chain of variously perforated cards, which cause the warp threads to be lifted in the proper succession for producing the required figure. - Jacquard card, one of the perforated cards of a Jacquard apparatus. - Jacquard loom, a loom with Jacquard apparatus.