Examples of jackscrew in a Sentence
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The item, called a jackscrew, is used to raise or lower the angle of the horizontal part of the plane’s tail.
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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
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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
Cite this Entry
“Jackscrew.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jackscrew. Accessed 23 Jul. 2025.
Copy CitationKids Definition
jackscrew
noun
jack·screw
-ˌskrü 
: a jack operated by a screw for lifting or for applying pressure
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