moulin

[moo-lan]
noun
a nearly vertical shaft or cavity worn in a glacier by surface water falling through a crack in the ice.

Origin:
1855–60; < French < Late Latin molīnum mill1

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moulin (ˈmuːlɪn)
 
n
a vertical shaft in a glacier, maintained by a constant descending stream of water and debris
 
[C19: from French: a mill]

Moulin (French mulɛ̃)
 
n
Jean (ʒɑ̃). 1899--1943, French lawyer and Resistance hero; Chairman of the National Council of the Resistance (1943): tortured to death by the Nazis

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
Encyclopedia

moulin

((French: "mill"), a nearly cylindrical, vertical shaft that extends through a glacier and is carved by meltwater from the glacier's surface. Postglacial evidence of a moulin, also called a glacial mill, is a giant kettle, or, more properly, a moulin pothole, scoured to great depth in the bedrock by the rocks and boulders transported by the falling water. A moulin pothole in Lucerne, Switz., was scoured to a depth of 8 m (27 feet). Although the process of formation is thought to be approximately the same as that of a fluvial pothole, the moulin pothole can be distinguished by its location. Moulin potholes have been found on hilltops and steep slopes and may occur scattered over a valley floor, without the kind of alignment that occurs when streams are involved. A moulin is noted for the thunderous sound of the meltwater that funnels into it.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences for moulin
She has two daughters, moulin and drumlin, and a mechanical bodyguard.
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