BRATTICE
brattice
(noun) a partition (often temporary) of planks or cloth that is used to control ventilation in a mine
brattice
(verb) supply with a brattice, to ventilate mines
Source: WordNet® 3.1
Etymology
Noun
brattice (plural brattices)
(mining) A wooden partition in a coal mine.
Verb
brattice (third-person singular simple present brattices, present participle bratticing, simple past and past participle bratticed)
(transitive) To divide into partitions of this kind.
Source: Wiktionary
Brat"tice, n. Etym: [See Brettice.] (Mining)
(a) A wall of separation in a shaft or gallery used for ventilation.
(b) Planking to support a roof or wall.
Source: Webster’s Unabridged Dictionary 1913 Edition