a water trough, esp. one used in mining for washing dirt from the ore
Origin of launderME, contr. from lavender, washerwoman from Old French lavandier from Medieval Latin lavandarius from Late Latin lavandaria, things to be washed from Classical Latin lavandus, gerund, gerundive of Classical Latin lavare, to wash: see lave
- to wash, or wash and iron (clothes, etc.)
- to exchange or invest (money) in such a way as to conceal that it came from an illegal or improper source
- to make (something improper or offensive) seem less so
- to withstand washing: a fabric that launders well
- to do laundry
verblaun·dered, laun·der·ing, laun·ders
- a. To wash (clothes, for example).b. To wash, fold, and iron: shirts that were neatly laundered by the hotel staff.
- To make (illegally obtained money) appear lawfully obtained or legitimate, especially by transferring it through legitimate accounts or businesses.
- To make more acceptable or presentable, sanitize: “The transcripts are, of course, laundered … unidentified larger chunks of conversation are reported missing throughout” ( Eliot Fremont-Smith )
- To undergo washing in a specified way: This material launders well.
- To wash or prepare laundry.
A trough or flume used in washing ore.
Origin of launderFrom Middle English launder, lavender launderer from Old French lavandier from Vulgar Latin lavandārius from Latin lavandāria things to be washed from lavanda neuter pl. gerundive of lavāre to wash ; see leu(ə)- in Indo-European roots.
(third-person singular simple present launders, present participle laundering, simple past and past participle laundered)