- a mill in which gunpowder is made.
Origin of powder mill
First recorded in 1640–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for powder mill
It will be night before he can reach, let us say, the old Powder-Mill in the wood.Barry Lyndon
William Makepeace Thackeray
The magistrates of Halle also in 1545 had a saltpetre-work and a powder-mill.
Powder-mill explosion, and great strike of the Latin School boys!'Jo's Boys
Louisa May Alcott
Yes, it was the Captain who had got him a corner to work in at the powder-mill.Kincaid's Battery
George W. Cable
Making fried pies is nearly as dangerous as working in a powder-mill; those who have made them will understand what this means.When Life Was Young
C. A. Stephens