Apedia

Esker Es Kuhr Noun Long Narrow Ridge Gravel Sand

Front esker \ES-kuhr\
Back noun
A long, narrow ridge of gravel and sand deposited by a stream flowing in or under a retreating glacier.

[From Irish eiscir (ridge of gravel).]

"My geography teacher likened an esker to the mess left by a drunk simultaneously walking backward and throwing up."

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