escutcheon
noun /ɪˈskʌtʃn/
/ɪˈskʌtʃn/
(specialist)- a flat piece of metal around a keyhole, door handle, or light switch
孔罩;锁眼盖;门把手盖板;电灯开关板 - a shield that has a coat of arms on it
盾形饰牌
词源late 15th cent.: from Anglo-Norman French escuchon, based on Latin scutum ‘shield’.