seat belt

noun

: an arrangement of straps designed to hold a person steady in a seat (as in an airplane or automobile)

Examples of seat belt in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Imagine there's a seat belt tightening around your waist that draws your lower ab muscles inward. Health Editorial Team, Health, 20 Dec. 2025 Keep a first aid kit, seat belt cutter, window breaker, tire iron, and a neon safety vest in your vehicle. Keenan Thompson, USA Today, 19 Dec. 2025 Officers said the driver, a man in his 30s, was not wearing a seat belt. Brandon Downs, CBS News, 19 Dec. 2025 There is a lot of red, including the seat belts, stitching, and, on some models, a red engine cover. Erik Shilling, Robb Report, 11 Dec. 2025 See All Example Sentences for seat belt

Word History

First Known Use

1932, in the meaning defined above

Time Traveler
The first known use of seat belt was in 1932

Browse Nearby Words

Cite this Entry

“Seat belt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seat%20belt. Accessed 26 Dec. 2025.

Kids Definition

seat belt

noun
: a strap designed to hold a person in a seat (as in an automobile or airplane)

More from Merriam-Webster on seat belt

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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