Mining. (See quots.)
1883. Gresley, Gloss. Coal-mining, 269. When a heading is driven to a point at which another should be put in or meet it at right angles…, the first-named heading is called up-stoop.
1886. J. Barrowman, Sc. Mining Terms, 69. A working room is up stoop or in stoop when its length is equal the side of the pillar to be formed.
