The Collaborative International Dictionary
Grindery
Grindery \Grind"er*y\, n. Leather workers' materials. [Eng.]
Grindery warehouse, a shop where leather workers' materials and tools are kept on sale. [Eng.]
Wiktionary
grindery
n. 1 (context UK dialect uncountable English) The materials used by leatherworkers. 2 A mill where something is grind.