: an accumulation of earth and stones carried and finally deposited by a glacier
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Tenuously held back by moraines – the jumble of rock and sediment deposited by glaciers at their edges – or dammed by glacier ice, these lakes are anything but stable.
—
Dan McGrath, The Conversation, 9 Mar. 2026
Sometime in the next week, another part of the team, working from the South Korean icebreaker RV Araon, aims to drop another cable, which a robot will traverse once a day, down to a rocky moraine in the Amundsen Sea.
—Christian Elliott, The Atlantic, 31 Jan. 2026
Throughout the course, climbers can see the 2,303-foot-high Triumvirate Glacier, with all its moraines and otherworldly blue crevasses, as well as the Tordrillo Mountains, which include Mount Spurr, an active volcano that last erupted in 1992.
—AFAR Media, 30 Sep. 2025
Soils are primarily glacial moraines of limestone, sand, and gravel.
—Joseph V Micallef, Forbes.com, 21 Aug. 2025
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Dan McGrath, The Conversation, 9 Mar. 2026
Sometime in the next week, another part of the team, working from the South Korean icebreaker RV Araon, aims to drop another cable, which a robot will traverse once a day, down to a rocky moraine in the Amundsen Sea.
—Christian Elliott, The Atlantic, 31 Jan. 2026
Throughout the course, climbers can see the 2,303-foot-high Triumvirate Glacier, with all its moraines and otherworldly blue crevasses, as well as the Tordrillo Mountains, which include Mount Spurr, an active volcano that last erupted in 1992.
—AFAR Media, 30 Sep. 2025
Soils are primarily glacial moraines of limestone, sand, and gravel.
—Joseph V Micallef, Forbes.com, 21 Aug. 2025
See All Example Sentences for moraine
Cite this Entry
“Moraine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moraine. Accessed 16 Mar. 2026.
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moraine
noun
mo·raine
mə-ˈrān 
: a pile of earth and stones carried and deposited by a glacier
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