ice-scoured

[ahys-skouuhrd, -skou-erd]
adjective Physical Geography.
noting an area having surface features resulting from scouring by an advancing ice sheet during glaciation.

Origin:
1935–40

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
Obviously the canyons are glaciated, for you can see ice-scoured ledges and knobs in them.
Commonly preserved as only a scattered lag of exotic cobbles and boulders on ice-scoured bedrock and bedrock rubble.
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