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Definition of moraine

moraine

/məˈreɪn/
mo · raine
Plural:moraines
•
Adjective:morainic
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moraine Lexical Profile

moraine Game Scores & Validity

• noun

1

An accumulation of rocks, boulders, gravel, and sediment carried down and deposited by a glacier, typically forming irregular ridges or mounds at the glacier's edges or extremity.

Example

"The retreating glacier left behind a massive terminal moraine that dammed the valley and eventually formed a pristine mountain lake."

Synonyms
View all synonyms for moraine

• Rhymes for moraine

• Nearby Words

moqui
mora
moraea
moraine
moralizingly
morass
morava

Word Origin & Etymology

Borrowed into English in the late 18th century from French 'moraine', which derives from Savoyard Franco-Provençal 'morrena' (mound of earth), ultimately of pre-Roman Alpine origin.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Moraine. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/moraine
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