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. another name for screw jack

Word History and Origins

Origin of jackscrew¹

First recorded in 1760–70; jack ¹ + screw

Example Sentences

The elevator and stabilizer normally work together to minimize the loads on the jackscrew.

From Seattle Times

And a part found in the wreckage, the jackscrew, shows that on impact the horizontal tail was swiveled so as to point the nose sharply down.

From Seattle Times

Last week investigators found a device known as a jackscrew in the wreckage, which suggests the Ethiopian flight might have had a problem with the automated system also suspected in the Lion Air crash.

From Washington Post

Investigators also recovered the jackscrew of the Ethiopian plane, which moves the plane's tail horizontally, and found that it was in an "unusual" position, the Seattle Times reported.

From Fox News

The new evidence found at the crash site in Ethiopia, a piece of equipment known as a jackscrew, controls the angle of the horizontal stabilizers.

From New York Times