jack·​screw ˈjak-ˌskrü How to pronounce jackscrew (audio)

Examples of jackscrew in a Sentence

Recent Examples on the Web The item, called a jackscrew, is used to raise or lower the angle of the horizontal part of the plane’s tail. Washington Post, 27 Sep. 2019 The landing gear was extended and measurement of the left and right wing flap jackscrews corresponded to a flaps retracted setting. BostonGlobe.com, 16 Oct. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'jackscrew.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1735, in the meaning defined above

Time Traveler
The first known use of jackscrew was circa 1735

Dictionary Entries Near jackscrew

Cite this Entry

“Jackscrew.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jackscrew. Accessed 11 Dec. 2023.

Kids Definition


jack·​screw -ˌskrü How to pronounce jackscrew (audio)
: a jack operated by a screw for lifting or for applying pressure
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