safety belt

noun
1.
seat belt.
2.
a belt or strap worn as a safety precaution by a person working at a great height:
The safety belt worn by a window washer is usually secured to each side of the window frame.
3.
life belt.
Origin
1855-60
Examples from the web for safety belt
  • Wearing a safety belt is a personal decision that doesn't affect anyone else.
  • safety belt laws mandate the use of safety belts by motor vehicle occupants.
British Dictionary definitions for safety belt

safety belt

noun
1.
another name for seat belt
2.
a belt or strap worn by a person working at a great height and attached to a fixed object to prevent him from falling