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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
“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
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Word History and Origins

Origin of jackscrew1

First recorded in 1760–70; jack 1 + screw
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Example Sentences

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

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.

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.

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.

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.

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