ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: part translation of German stockwerk, from stock stick, stump, trunk of a tree (from Old High German stoc ) + werk work — more at stock
1. : a system of working in ore when it lies not in strata or veins but in solid masses so as to be worked in chambers or stories
2. : a body or tract of rock so charged with veinlets, nests, or impregnations of ore and especially tin ore that it can be profitably mined