shear pin

noun

: an easily replaceable pin inserted at a critical point in a machine and designed to break when stressed to excess

Examples of shear pin in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
The company said the alignment pin and a shear pin fitting assembly performed as designed during the mated portion of the flight, and only the alignment pin detached after the spaceship was released from the mothership. Eric Berger, Ars Technica, 6 Feb. 2024 With lawn mowers, many times people would hit something and break the shear pin. Arkansas Online, 24 Sep. 2020

Word History

First Known Use

circa 1931, in the meaning defined above

Time Traveler
The first known use of shear pin was circa 1931

Dictionary Entries Near shear pin

Cite this Entry

“Shear pin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shear%20pin. Accessed 5 Nov. 2024.

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