Dictionary
rain•out
Pronunciation: (rān'out"), [key]—
n.
1. a contest, performance, or the like, that has been rained out.
2. Also called
washout. the removal of radioactive particles or other foreign substances from the atmosphere by precipitation.
Also,rain'-out".Cf.
fallout. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.