mo·​raine | \mə-ˈrān \

Definition of moraine 

: an accumulation of earth and stones carried and finally deposited by a glacier

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Other Words from moraine

morainal \ -​ˈrā-​nᵊl \ adjective
morainic \ -​ˈrā-​nik \ adjective

Examples of moraine in a Sentence

Recent Examples on the Web

She and her husband run an organic beef, fruit and vegetable farm on the slopes of a glacial moraine in Minnesota. Emily Hopkins,, "Your produce is less healthy than it was 70 years ago. These farmers might change that," 4 July 2018 The terminal moraine, the mounds of rubble left behind, form much of their high ground…. Dino Grandoni, Washington Post, "The Energy 202: Scott Pruitt takes another significant policy step as controversies swirl," 8 June 2018 The largest deposits form what geologists call a terminal moraine. William J. Broad, New York Times, "How the Ice Age Shaped New York," 5 June 2018 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 But the finale, including the two lakes — one glacier-fed and mint green, the other a deep aquamarine — separated by a single moraine, and the towering peaks on all sides make the effort worth it. Bailey Berg, Anchorage Daily News, "Make the most of your trip with these hikes near Anchorage," 2 May 2018 The torrents are so forceful there is a roar in the air—water gouging its way through old moraines and rolling boulders along the bottom of the riverbeds. Nathaniel Wilder, Smithsonian, "A Daring Journey Into the Big Unknown of America’s Largest National Park," 18 Apr. 2018 On the Scuppernong Trails, that means a full view of the forest's hummocky glacial topography: steep-sided moraines and deep kettles dotted with naked hardwoods. Chelsey Lewis, Milwaukee Journal Sentinel, "Scuppernong Trails are great for a winter hike or snowshoe," 25 Jan. 2018 The sinewy hill and its glacial cousins — moraines, kettles and kames — make for a challenging winter hike, especially in deep snow. Chelsey Lewis, Milwaukee Journal Sentinel, "8 of Wisconsin's best state parks to visit in winter," 8 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'moraine.' 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 moraine

1783, in the meaning defined above

History and Etymology for moraine

French, from French dialect (Savoy) morêna

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Time Traveler for moraine

The first known use of moraine was in 1783

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More Definitions for moraine


mo·​raine | \mə-ˈrān \

Kids Definition of moraine

: a pile of earth and stones left by a glacier

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