English

Definition of esker noun from the Oxford Advanced Learner's Dictionary

 

esker

 noun
noun
BrE BrE//ˈeskə(r)//
 
; NAmE NAmE//ˈeskər//
 
(geology)
 
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a long narrow area of small stones and earth that has been left by a large mass of ice that has melted Word Origin mid 19th cent.: from Irish eiscir.
See the Oxford Advanced American Dictionary entry: esker