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.
The outlet reported that Lyonne — who seemed to be dozing off — did not respond when flight attendants asked her to close her laptop and fasten her seat belt for takeoff. Christina Dugan Ramirez, FOXNews.com, 9 Apr. 2026 In the event of a sinking car with passengers inside, AAA advises drivers to stay calm, unbuckle their seat belts, roll down or break a window and escape before the car begins to fill with water. Paloma Chavez, PEOPLE, 8 Apr. 2026 To escape a sinking car, the agency advises drivers to stay calm, unbuckle seat belts, roll down or break a window, and get out before the car fills with water. Neal Riley, CBS News, 7 Apr. 2026 The driver and two passengers, one of them a 17-year-old, were not wearing seat belts and were thrown from the sedan. ABC News, 5 Apr. 2026 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 13 Apr. 2026.

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

Love words? Need even more definitions?

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

More from Merriam-Webster