seat belt

Or seatbelt

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.

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

Word History and Origins

Origin of seat belt¹

First recorded in 1945–50

Related Words

• safety belt