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.
Officials said none of them were wearing seat belts at the time of the crash. Nick Lentz, CBS News, 27 June 2026 In one study, children ages 7-12 were aware that their parents’ own use of safety items like seat belts, bicycle helmets and sunscreen were significantly less common than the parents’ expectations for the child to use them. David C. Schwebel, The Conversation, 24 June 2026 Troopers later determined that no one in the vehicle was wearing a seat belt, as all front belts were still buckled after the crash. Desiree Anello, PEOPLE, 20 June 2026 Prior to the 1960’s and 1970’s, federal rules mandating basic safety requirements like seat belts and airbags were virtually nonexistent. Mack Degeurin, Popular Science, 18 June 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 1 Jul. 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