safety belt
US /ˈseɪf.ti ˌbelt/
UK /ˈseɪf.ti ˌbelt/

1.
cinto de segurança
a belt or strap worn in a vehicle or aircraft to hold one in one's seat in the event of a collision or sudden stop
:
•
Always fasten your safety belt before driving.
Sempre aperte o seu cinto de segurança antes de dirigir.
•
The child was secured in his car seat with a five-point safety belt.
A criança estava presa na cadeirinha com um cinto de segurança de cinco pontos.