a long winding ridge of gravel, sand, etc, originally deposited by a meltwater stream running under a glacier
WordReference Random House Unabridged Dictionary of American English © 2025
es•ker
(es′kər),USA pronunciation n. [Geol.]
- Geologya serpentine ridge of gravelly and sandy drift, believed to have been formed by streams under or in glacial ice.
- Irish eiscir ridge of mountains
- 1850–55
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