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• moulin
  moulin

  noun

  a nearly vertical shaft or cavity worn in a glacier by surface water falling through a crack in the ice.
• Moulin
  Moulin

  noun

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

moulin

American  

[moo-lan] / muˈlɛ̃ /

noun

1. a nearly vertical shaft or cavity worn in a glacier by surface water falling through a crack in the ice.

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Moulin ¹ British  

/ mulɛ̃ /

noun

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

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moulin ² British  

/ ˈmuːlɪn /

noun

1. a vertical shaft in a glacier, maintained by a constant descending stream of water and debris

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Etymology

Origin of moulin

1855–60; < French < Late Latin molīnum mill ¹

Example Sentences

"The size of the triangular moulin fractures on the surface remains unchanged for several years. Radar images show that although they change over time inside the glacier, they are still detectable years after their formation."

From Science Daily • Jan. 5, 2026

The first results of these moulin descents have been published in the journal Geophysical Research Letters.

From Washington Post • Dec. 23, 2020

It was coming from a deep gash in the surface, more than a hundred feet long, into which ice was falling and disappearing: a moulin, a hole connected to a river system inside the glacier.

From The New Yorker • Apr. 4, 2016

Shjon had been riding a snowmobile Saturday when he fell into a 150-foot-deep glacial moulin, a hole created by surface water.

From Reuters • Apr. 15, 2013

Pg 86 S'entènd peralin L'aigo que lalejo E batarelejo Darrié lou moulin.

From Frédéric Mistral Poet and Leader in Provence by Downer, Charles Alfred