1. V-T To launder money that has been obtained illegally means to process it through a legitimate business or to send it abroad to a foreign bank, so that when it comes back nobody knows that it was illegally obtained. 洗 (錢)

The House voted today to crack down on banks that launder drug money. 下議院今天投票打擊為販毒洗錢的銀行。

2. laundererN-COUNT 洗錢者

...a businessman and self-described money launderer. …一位自稱洗錢者的商人。

3. V-T When you launder clothes, sheets, and towels, you wash and iron them. 洗熨[正式]

How many guests who expect clean towels every day in an hotel launder their own every day at home?

旅店里希望每天有干凈毛巾的客人中，有多少人每天在家洗自己的毛巾呢？