Home › Words › J › jackscrewjackscrewjackscrew means A jack (mechanical lifting device) which is operated by turning a leadscrew.EtymologyFrom jack + screw.nounA jack (mechanical lifting device) which is operated by turning a leadscrew.A leadscrew; a screw used to translate rotational into linear motion.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.handscrew 75% match — An appliance for raising heavy weights; a jack. vs jackscrew →screwjack 75% match — Synonym of jackscrew. vs jackscrew →jackman 61% match — A member of the pit crew responsible for lifting the car with a jack. vs jackscrew →turnscrew 60% match — A screwdriver. vs jackscrew →feedscrew 59% match — Synonym of leadscrew. vs jackscrew →jackstone 57% match — A jack; one of the playing pieces in the game of jacks. vs jackscrew →screwer 55% match — Somebody or something that screws. vs jackscrew →countershaft 54% match — Synonym of jackshaft (“a mechanical component for rotational force”). vs jackscrew →