Learn how to say Brattices correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word brattice:
a partition or shaft lining in a coal mine, typically made of wood or heavy cloth.
Middle English (denoting a temporary wooden gallery for use in a siege): from Old French bretesche, from medieval Latin britisca, from Old English brittisc ‘British’. The current sense dates from the mid 19th century