jackscrew

[ jak-skroo ]

/ ˈdʒækˌskru /

noun

a jack for lifting, consisting of a screw steadied by a threaded support and carrying a plate or other part bearing the load.

Words nearby jackscrew

jacklighter, jacklin, jackpot, jackrabbit, jacks, jackscrew, jackshaft, jacksie, jacksmelt, jacksnipe, jackson

Origin of jackscrew

First recorded in 1760–70; jack¹ + screw

Also called screw jack.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for jackscrew

The Indian gazed a moment, then rose quickly, and put on the jackscrew.
Rolf In The Woods|Ernest Thompson Seton
The axle was slightly bent, and a blacksmith had to bring clamps and a jackscrew before the new wheel could be adjusted.
The Silent Barrier|Louis Tracy

British Dictionary definitions for jackscrew

jackscrew

/ (ˈdʒækˌskruː) /

noun

another name for screw jack

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012