動詞 launder:

1. cleanse with a cleaning agent, such as soap, and water
   同義詞：wash
2. convert illegally obtained funds into legal ones

1. The gang launder the steal money through their chain of restaurant.
   這幫匪徒通過他們的連鎖飯店洗贓款。
2. A woman employed to launder clothes or linens.
   洗衣女工雇來清洗衣服或亞麻制品的婦女

laun.der

v.（動詞）
laun.dered,laun.der.ing,laun.ders
v.tr.（及物動詞）

To wash (clothes, for example).
洗滌，（如衣物）
To wash, fold, and iron:
洗熨：洗滌、折疊并燙熨：
例句：
shirts that were neatly laundered by the hotel staff.
被旅館服務人員洗燙得很整潔的襯衣

To disguise the source or nature of (illegal funds, for example) by channeling through an intermediate agent.
洗錢：通過中間代理人的渠道來隱藏（如非法資金的）來源或性質(zhì)
To make more acceptable or presentable, sanitize:
使變得更易于接受或中看，使凈化：
例句：
.The transcripts are, of course, laundered . . . unidentified larger chunks of conversation are reported missing throughout.(Eliot Fremont-Smith)
.錄音帶當然已被做過手腳…談話中很多部分都不見了.(艾略特·弗里蒙特—史密斯)

v.intr.（不及物動詞）
To undergo washing in a specified way:
洗：用某種特定方式洗滌：
例句：
This material launders well.
這衣料很耐洗

To wash or prepare laundry.
洗衣物或作洗滌前的準備
n.（名詞）
A trough or flume used in washing ore.
槽洗機：洗礦用的水槽或流槽

來源：
From Middle English launder, lavender [launderer]
源自 中古英語 launder, lavender [洗衣者]
from Old French lavandier
源自 古法語 lavandier
from Vulgar Latin *lavand3rius
源自 俗拉丁語 *lavand3rius
from Latin lavand3ria [things to be washed]
源自 拉丁語 lavand3ria [被洗的東西]
from lavanda [neuter pl. gerundive of] lav3re [to wash] * see lave
源自 lavanda [] lav3re的中性復數(shù)動形詞 [洗] *參見 lave

【引伸】
laun.derer
n.（名詞）