C2 verb /bɪˈleɪ/
belay
sécuriser une corde
Meaning
to secure a rope by winding it around an object; to stop or cancel an order (nautical/military use)
Example
The climber asked his partner to belay the rope tightly.
L'escaladeur a demandé à son partenaire de sécuriser la corde serrée.