washer
/ˈwɔʃə(r); ?@ ˈwɔ:-; `wɔʃɚ/ n
1 small flat ring made of rubber, metal, plastic, etc placed between two surfaces (eg under a nut) to make a screw or joint tight, prevent leakage, etc 垫圈（橡胶、 金属、 塑料等的小扁环, 垫在被连接件如螺母下使之更紧、 防漏等）. =>illus at bolt 见 bolt 插图.
2 (infml 口) automatic machine for washing clothes 洗衣机.