from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A partition, typically of wood or cloth, erected in a mine for ventilation.
- n. A breastwork erected during a siege.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A wooden partition in a coal mine
from the GNU version of the Collaborative International Dictionary of English
- n. A wall of separation in a shaft or gallery used for ventilation.
- n. Planking to support a roof or wall.
from The Century Dictionary and Cyclopedia
- n. In mining, a board, plank, or brick lining or partition in a level of shaft, usually designed to form an air-passage or confine the current of air to a certain route. Also written brettice, brettis.
- To separate by a brattice.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. supply with a brattice, to ventilate mines
- n. a partition (often temporary) of planks or cloth that is used to control ventilation in a mine
Middle English bretice, defensive structure, from Old French bretesche, from Medieval Latin bretescha (turris), British-style (tower), probably from Old English bryttisc, British.(American Heritage® Dictionary of the English Language, Fourth Edition)