laundering

Concise Oxford English Dictionary © 2008 Oxford University Press:
launder/ˈlɔːndə(r)/

▶verb

• 1 wash and iron (clothes or household linen).

• 2 informal transfer (illegally obtained money) to conceal its origins.

▶noun

• 1 a trough for holding or conveying water, especially (in mining) one used for washing ore.

• 2 a channel for conveying molten metal to a ladle or mould.

– derivatives
launderer noun.

– origin ME (as n. denoting a person who washes linen): contr. of lavender, from OFr. lavandier, based on L. lavanda ‘things to be washed’, from lavare ‘to wash’.