Probably: an underground passage, gallery, or level in a coal mine. Cf. heading, n. 13. Obsolete. rare.

An artificial road or a line of rails in a colliery upon which the coal wagons are run.

a gallery in a mine along which the wagons run.

Coal Mining. A steep tramway on which the loaded trucks as they descend draw up the empty trucks by means of a cable passing round a drum or worked…

(See quots.)

an underground incline on which a jig or jinny (see 6d) works, also called jinny-road.

Mining. A stationary engine used to let down or draw up trucks on an inclined plane; also = jinny-road n. a self-acting inclined plane; = jig, n.1 6d.

Mining. A (usually inclined) road in a mine, along which coal, ore, etc., is conveyed in cars or trucks.

(see quot.).

a passage along which coal is conveyed away from a long-wall face.