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 &ellipsis; 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 *lavandarius, from Latin lavandaria, things to be washed, from lavanda, neuter pl. gerundive of lavare, to wash; see leu(&schwa;)- in Indo-European roots.
(third-person singular simple present launders, present participle laundering, simple past and past participle laundered)