a piece of fabric that ties around a passenger. It keeps passengers safe in their seats.
Please fasten/do up your seat belts.
You must wear your seat belt.
Ensure that your seat belt is securely fastened before the plane takes off.
The driver reminded everyone to buckle up their seat belts for safety.
A proper-fitting seat belt is crucial for protecting passengers in a car.
The seat belt sign illuminated, signaling passengers to remain seated.
