Term used to describe the arc a horse makes as it jumps a fence.

Bascule (IPA: ) is the natural round arc a horse's body takes as he goes over a jump. The horse should rise up through his back, stretching his neck forward and down, when he reaches the peak of his jump. This is often described as the horse taking the shape of a dolphin jumping out of the water, with the horse's back up, and its head reaching forward and down over the fence.

In mechanics, an apparatus on the principle of the seesaw, in which one end rises as the other falls.

a structure in which one end is counterbalanced by the other (as in a bascule bridge)

Device balance so that when one end is lowered, the other is raised. Hinged cantilever balance by a weight.