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seat belt

or seat·belt

See more 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.
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Compare lap belt.

Origin of seat belt

First recorded in 1945–50
Also called safety belt.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for seatbelt

Contemporary Examples

Historical Examples

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

    Pleasant Journey

    Richard F. Thieme


British Dictionary definitions for seatbelt

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
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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