shear pin

noun

Definition of shear pin

: 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 With lawn mowers, many times people would hit something and break the shear pin. Arkansas Online, "Remembering Rogers: Walmart No. 1 meant family, country music and training managers," 24 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'shear pin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of shear pin

circa 1931, in the meaning defined above

Keep scrolling for more

Learn More about shear pin

Time Traveler for shear pin

Time Traveler

The first known use of shear pin was circa 1931

See more words from the same year

Statistics for shear pin

Last Updated

4 Oct 2020

Cite this Entry

“Shear pin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shear%20pin. Accessed 27 Nov. 2020.

Comments on shear pin

What made you want to look up shear pin? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!