noun
: a slanted cut in the end of a wood beam or joist resting in a masonry wall that in case of fire allows the wood to fall out without wrecking the wall
noun
: a slanted cut in the end of a wood beam or joist resting in a masonry wall that in case of fire allows the wood to fall out without wrecking the wall
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012