seat belt

or seatbelt

See synonyms for seat belt on Thesaurus.com
noun
  1. a belt or strap in an automobile, airplane, etc., fastened around or sometimes diagonally across the midsection to keep the person safely secured, as during a sudden stop.

Origin of seat belt

1
First recorded in 1945–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use seat belt in a sentence

  • Allenby looked up at him as Jenkins swung the helmet back and unhooked the seatbelt.

    Pleasant Journey | Richard F. Thieme

British Dictionary definitions for seat belt

seat belt

noun
  1. Also called: safety belt a belt or strap worn in a vehicle to restrain forward motion in the event of a collision

  2. a similar belt or strap worn in an aircraft at takeoff and landing and in rough weather

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012