Coal-mining. [? f. LG. stack dam.] trans. See quot. 1883. (Chiefly with out.)
1832. Ht. Martineau, Hill & Valley, iv. 62. There is much labour in stacking and loading the mine.
1883. Gresley, Gloss. Coal-mining, 234. Stack out, to dam off or shut up the entrance to a goaf by building a wall of stone or coal in front of it.