(Architecture)the arrangement of windows in a building (建筑)窗布局 ■(Botany & Zoology)the condition of being fenestrate (植,动)穿孔;膜孔 ■(Medicine)a surgical operation in which a new opening is formed, especially in the bony labyrinth of the inner ear to treat certain types of deafness (医)(耳科手术的)开窗术