The formation of channels or furrows in the surface of rocks by glacial action.

Physical Geography. The washing of material out of a soil or deposit by the action of water; spec. the carrying of material out from a glacier by…

the action of an ice sheet or glacier in eroding the land and producing and shaping landforms; an instance or episode of this.

The action of pluck, v. (in various senses); an instance of this.

= ice-scouring n.

Physical Geography. Undermining by glacial erosion; (loosely) plucking; spec. erosion of rock slopes by frost action under the margins of a glacier.

Erosion of the ground beneath and at the sides of a snow bank undergoing seasonal melting, resulting in the formation of a shallow depression.

The flow of glacial ice in quantity across a preglacial watershed with consequent severe erosion.