a nearly vertical hole in a glacier down which flows a stream of water melted from the surface
Origin of moulinFr, literally , a mill from Late Latin molinum, molina, mill
A nearly vertical cavity in a glacier through which meltwater from the surface drops into tunnels that are within or beneath the ice.
Origin of moulinFrench mill, moulin from Old French molin mill from Late Latin molīnum ; see mill 1.
From French moulin, from Late Latin molinum (“mill").