noun
: a molding fastened to the inner side of a window frame on the face of the pulley stile and completing the groove in which the inner sash is to slide
noun
: a molding fastened to the inner side of a window frame on the face of the pulley stile and completing the groove in which the inner sash is to slide
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012