gravel and other debris deposited from the underside of a glacier; ground moraine, subglacial till; (also) an instance of this.

The action or process of washing over; (Physical Geography) (a) the deposition over or beyond the marginal moraine of material carried by running…

moraine characterized by the presence of numerous kettle holes.

Physical Geography. The material carried out from a glacier by meltwater and deposited beyond the terminal moraine (chiefly sand and gravel, or…