jackscrew

American  

[jak-skroo] / ˈdʒækˌskru /

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.

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jackscrew British  

/ ˈdʒækˌskruː /

noun

1. another name for screw jack

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Etymology

Origin of jackscrew

First recorded in 1760–70; jack ¹ + screw

Example Sentences

But in certain conditions, the elevator and stabilizer loads combine to present high forces on the jackscrew and make turning it manually very difficult.

From Seattle Times • Apr. 3, 2019

The jackscrew, used to set the device that raises and lowers the plane’s nose, indicates the jet was configured to dive, Cox said.

From Washington Post • Mar. 18, 2019

In the Ethiopian crash, there’s no suggestion that the jackscrew on the Boeing plane failed.

From Seattle Times • Mar. 15, 2019

Investigators found a device known as a jackscrew in the wreckage.

From Washington Post • Mar. 15, 2019

It was the pocket jackscrew that every bear trapper carries to set the powerful trap, and without which, indeed, one man cannot manage the springs.

From Rolf in the Woods by Seton, Ernest Thompson