Escarpment

[Sarah]

A steep descent or declivity; steep face or edge of a ridge;ground about a fortified place, cut away nearly vertically to preventhostile approach. See Scarp.

[Sarah]

A cliff jumping move that envolves, jogging up to the cliff edge putting you hands on the edge and volting your legs upwards and round to the side. This can also be executed with multiple spins on the way down for added street cred.
(how you would jump a fence)

[Sarah]

A long, steep slope, especially one at the edge of a plateau or separating areas of land at different heights.