washer
/ˈwɒʃə(r)/noun
1
- usu. with modifier a person or device that washes something洗涤者; 洗涤器：
a glass washer.
玻璃清洗器。
1.1
- a washing machine洗衣机。
1.2
- a windscreen washer汽车挡风玻璃刮水器。
1.3
- Austral. a facecloth〈澳〉洗脸毛巾。
2
- a small flat ring made of metal, rubber, or plastic fixed under a nut or the head of a bolt to spread the pressure when tightened or between two joining surfaces as a spacer or seal垫圈。