noun
moulin
MOO-lan
noun
1
A near-vertical shaft in a glacier, formed by meltwater draining down through the ice.
"The climbers roped up carefully to avoid falling into a moulin."
How to Use Moulin
Learner’s notesIn plain EnglishA deep, narrow hole in a glacier carved out by melting ice and water.
Word Forms
moulins plural, Moulins plural
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The climbers roped up carefully to avoid falling into a _____.
Etymology
Borrowed from French moulin ("mill"), from Late Latin molinum.