Seatbelt (noun)

A safety belt worn in a vehicle to help keep the person wearing it safe in the event of a collision or accident.

Origin:

20th century: seat + belt.

Examples:

1. The seatbelt was mandatory in the car, and everyone had to wear it before driving off.
2. The seatbelt saved the driver's life in the crash, preventing him from being thrown from the vehicle.
3. The seatbelt was adjustable, so that it fit comfortably around the person's waist.
4. The seatbelt was a vital safety feature in modern vehicles, helping to reduce the risk of injury or death in the event of an accident.
5. The seatbelt was checked by the police, who issued a ticket to anyone not wearing it.