brattice
Concise Oxford English Dictionary © 2008 Oxford University Press:
brattice /ˈbratɪs/
▶noun a partition or shaft lining in a coal mine.
– derivatives
bratticed adjective.
bratticed adjective.
– origin ME (denoting a wooden gallery for use in a siege): from OFr. bretesche, from med. L. britisca, from OE brittisc ‘British’.
'brattice' also found in these Oxford entries:

