A passage or transverse working that connects two adjacent working spaces, typically at right angles between parallel headings; a cross-passage.

Coal Mining. See quots. and cf. thirl, n.1 4.

a ventilating shaft in a mine.

Mining. A kind of ventilator (see quots.).

Cornish mining. A raised floor under which air is admitted to a working.

A passage for air, esp. one for ventilation in a mine.

†(a) the opening at the top of the windpipe, the glottis; (b) an opening in brickwork for the passage of air; (c) the hole in the lower board of a…

a door or set of double doors used to control air circulation and regulate the ventilation in a particular area of a coal mine; also called main door.

a passage for ventilation in a mine; cf. airway, n. 1.

The ventilation shaft by which fresh air is introduced into a mine. Chiefly attributive, as downcast shaft, downcast pit, etc.

upcast shaft (or pit), the pit-shaft by which the ventilating air of a mine is returned to the surface.

A wooden or leaden pipe to convey air into mines.

(a) Mining a ventilation passage for a mine; = airway, n. 1a (now rare); (b) a route taken through the air.

Mining. A channel or passage to provide ventilation made in a shaft by partitions of brickwork, boarding, etc.; = trumpeting, n. 2. Obsolete. rare.

See quots. and cf. thirling, n.1 2.

In form brattice (dialect also brattish): A partition, generally of deal. (esp.) A partition for the purpose of ventilation in the shaft of a…

Mining. The airway by which a current of air is introduced into a mine. Also attributive.

Mining. A horizontal passage, airway, etc.; the length of this.

Mining. A door in a level for directing the ventilating current; a weather-door.

Mining. An opening through which the ventilating current passes.

Mining. A passageway or shaft for carrying air back to the outside.

(a) a track or course habitually taken by the wind (nonce-use); (b) a passage for ventilation in a mine (Gresley Gloss. 1883).

Coal Mining. A narrow passage cut through a pillar (pillar, n. 10) to improve the circulation of air between the worked spaces or rooms (cf. room, n.1…

(a) a ventilating passage in a mine, an air-way; (b) the narrow slit in an organ pipe through which the wind strikes upon the lip so as to make the…

In various technical uses. Mining. A wooden partition dividing a ventilation shaft into two compartments; = brattice, n. 2a. Obsolete. rare.

Mining. A transverse heading (see quots.).

the verbal stem in combination, as skail-door n. (see quots.). skail-water n. (see quots.). skail-wind n. Obsolete a scattering wind.

upcast shaft.

(under-, prefix1 affix 2b(c).)

Mining. (See quot. 1886.)

(see quot.).