the upper corners of the two tent-skins which can be shifted, raised, or lowered, at will, to suit the occupants of the lodge, when there is a rain or wind that causes smoke to be blown back through the smoke-hole

Definition
the upper corners of the two tent-skins which can be shifted, raised, or lowered, at will, to suit the occupants of the lodge, when there is a rain or wind that causes smoke to be blown back through the smoke-hole𐓊𐒻𐒹𐒷unspec. comp. form of𐓊𐒻