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Definition of Esker
1. Noun. (geology) a long winding ridge of post glacial gravel and other sediment; deposited by meltwater from glaciers or ice sheets.
Definition of Esker
1. Noun. A long, narrow, sinuous ridge created by deposits from a stream running beneath a glacier. ¹
¹ Source: wiktionary.com
Definition of Esker
1. a narrow ridge of gravel and sand [n -S]
Medical Definition of Esker
1.