esker

noun
es·​ker | \ ˈe-skər How to pronounce esker (audio) \

Definition of esker

: a long narrow ridge or mound of sand, gravel, and boulders deposited by a stream flowing on, within, or beneath a stagnant glacier

Examples of esker in a Sentence

Recent Examples on the Web Among them: an esker, a long, sinuous ridge of gravel that formed as water flowed down into, and then under, glacial ice. Mary Divine, Twin Cities, "Scandia bike tour to feature area’s geology," 9 Sep. 2019 Try the Parnell segment for an especially hilly hike along glacial features including moraines, kettles, eskers and drumlins. Chelsey Lewis, Milwaukee Journal Sentinel, "Wisconsin bucket list: 20 things you have to do," 17 May 2018 The area was formed by glaciers which changed the landscape, adding kettles and eskers, ridges and cliffs. Wisconsin Travel Best Bets, Milwaukee Journal Sentinel, "Your guide to… Wisconsin’s best fall color secrets," 26 Sep. 2017 Debris dragged along the landscape deposited in rounded hills, or kames, along with steep ridges known as eskers and moraines; and deep holes were scooped from the earth to form kettles. Chelsey Lewis, chicagotribune.com, "A backpacking adventure close to Milwaukee: the Ice Age Trail in the Kettle Moraine," 15 June 2017 Six miles through classic glacial topography, the trail tiptoeing along steep moraines and eskers that plunged on both sides into deep kettles, and dipping and climbing between those moraines on rocky, root-rich soil. Chelsey Lewis, chicagotribune.com, "A backpacking adventure close to Milwaukee: the Ice Age Trail in the Kettle Moraine," 15 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'esker.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of esker

1848, in the meaning defined above

History and Etymology for esker

Irish eiscir ridge

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Time Traveler for esker

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The first known use of esker was in 1848

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Cite this Entry

“Esker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/esker. Accessed 23 Sep. 2020.

More from Merriam-Webster on esker

Britannica.com: Encyclopedia article about esker

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