washer

详细解释:n. 洗衣人, 垫圈, 洗衣机
【化】 洗涤器; 垫圈
【医】 垫环, 洗涤器

英语解释：

名词 washer:

someone who washes things for a livingseal consisting of a flat disk placed to prevent leakagea home appliance for washing clothes and linens automatically同义词：automatic washer, washing machine