1 (Brit 英) to wash the plates, knives, forks, etc after a meal （饭后）洗餐具，洗碗盘: Whose turn is it to wash up? 轮到谁洗碗？

2 (US 美) to wash your face and hands 洗脸洗手: Go and wash up quickly and put on some clean clothes. 快去洗脸洗手，换上干净衣服。

3 (often passive 常用于被动语态) (used about water) to carry sth to land and leave it there （指水）将某物冲到岸上: Police found the girl's body washed up on the beach. 警方发现那个女孩的尸体被冲到海滩上。