Esker
ahd-5
noun.
A long, narrow, steep-sided ridge of coarse sand and gravel deposited by a stream flowing in or under a melting sheet of glacial ice.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A long, narrow, sinuous
ridge
created by deposits from a stream running beneath a
glacier
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
(geology) a long winding ridge of post glacial gravel and other sediment; deposited by meltwater from glaciers or ice sheets
Word Usage
"This word came from the Basque word esker, and perhaps more noticeably, from the unrecorded Basque derivative ezkerdo."
Hypernym
Words that are more generic or abstract
ridge