undercutting
Erosion of material at the base of a steep slope, overfall, or cliff by falling water, stream, wind, or wave action; produces an overhanging cliff.
Authorization Path: 2.4.5.2.20.15
Erosion of material at the base of a steep slope, overfall, or cliff by falling water, stream, wind, or wave action; produces an overhanging cliff.
Authorization Path: 2.4.5.2.20.15