rainout: Meaning and Definition of

rain•out

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