Rinse; rain off

Wiktionary Word definitions in Wiktionary
vb. 1 To remove something by washing. 2 (context idiomatic English) To wear away by the flow of water; to erode.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Wash out \Wash out\, v. i. & t. to be removed by washing; -- of spots and stains, especially on clothing. to be removed, broken, or destroyed by the action of flowing water; as, the bridge was washed out by the flood. to fail in a course of study or training, ...

WordNet Word definitions in WordNet
v. prevent or interrupt due to rain; "The storm had washed out the game" [syn: rain out ] wash free from unwanted substances, such as dirt; "Wash out your dirty shirt in the sink" wear or destroy by the force of water; "The hail storms had washed out the ...