jackscrew

[ jak-skroo ]

noun

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

jackscrew

/ ˈdʒækˌskruː /

noun

1. See screw jack
   another name for screw jack

Word History and Origins

Origin of jackscrew¹

First recorded in 1760–70; jack ¹ + screw

Example Sentences

The axle was slightly bent, and a blacksmith had to bring clamps and a jackscrew before the new wheel could be adjusted.

From Project Gutenberg

The Indian gazed a moment, then rose quickly, and put on the jackscrew.

From Project Gutenberg