Noun

1. A thin coat of water-base paint
2. The work of cleansing (usually with soap and water)
3. The dry bed of an intermittent stream (as at the bottom of a canyon)
4. The erosive process of washing away soil or gravel by water (as from a roadway)
5. The flow of air that is driven backwards by an aircraft propeller
6. A watercolor made by applying a series of monochrome washes one over the other
7. Garments or white goods that can be cleaned by laundering
8. Any enterprise in which losses and gains cancel out

Verb

1. Clean with some chemical process
2. Cleanse (one's body) with soap and water
3. Cleanse with a cleaning agent, such as soap, and water
4. Move by or as if by water
5. Be capable of being washed
6. Admit to testing or proof
7. Separate dirt or gravel from (precious minerals)
8. Apply a thin coating of paint, metal, etc., to
9. Remove by the application of water or other liquid and soap or some other cleaning agent
10. Form by erosion
11. Make moist
12. Wash or flow against
13. To cleanse (itself or another animal) by licking