launder Meaning, Definition & Usage

  1. verb cleanse with a cleaning agent, such as soap, and water
    wash.
    • Wash the towels, please!
  2. verb convert illegally obtained funds into legal ones

WordNet

Laun"der noun
Etymology
Contracted fr. OE. lavender, F. lavandière, LL. lavandena, from L. lavare to wash. See Lave.
Definitions
  1. A washerwoman. Obs.
  2. (Mining) A trough used by miners to receive the powdered ore from the box where it is beaten, or for carrying water to the stamps, or other apparatus, for comminuting, or sorting, the ore.
Laun"der intransitive verb
Wordforms
imperfect & past participle Laundered ; present participle & verbal noun Laundering
Definitions
  1. To wash, as clothes; to wash, and to smooth with a flatiron or mangle; to wash and iron; as, to launder shirts.
  2. To lave; to wet. Obs. Shak.

Webster 1913