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
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Keep up with regular snow blower maintenance, including checking the air pressure of the tires, replacing the oil and fuel as necessary, and inspecting the belts, shear pins, skids shoes, and the scraper blade.
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Timothy Dale, Better Homes & Gardens, 27 Nov. 2024
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
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Timothy Dale, Better Homes & Gardens, 27 Nov. 2024
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
Cite this Entry
“Shear pin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shear%20pin. Accessed 4 May. 2025.
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