something to which a mountain climber's rope can be secured fasten a boat to a bitt, pin, or cleat turn a rope round an object or person in order to secure it or him
A means of securing a climber by use of a rope, and usually a belay device, in order to prevent or minimize a fall A belayer is the person on the ground or at the belay station who secures the lead or top-roping climber
Use of a rope to protect a climber against a fall A climber can be belayed by another person, or be climbing alone, using an advanced technique called a self-belay