mill-hole

mill hole

noun Mining.
Dictionary.com Unabridged

drawhole

[draw-hohl]
noun Mining.
a funnel-shaped vertical opening cut at the bottom of a stope, which permits the loading of ore into conveyances in the passageways below.
Also called glory hole, mill hole.


Origin:
draw + hole

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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