Allen screw

noun

Al·len screw ˈa-lən-

hardware

: a screw with a hexagonal socket in its head that is designed to be used with an Allen wrench

Word History

First Known Use

1917, in the meaning defined above

Time Traveler

The first known use of Allen screw was in 1917

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Allen Park

Allen screw

allentando

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Cite this Entry

Style

“Allen screw.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Allen%20screw. Accessed 25 May. 2025.

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