1. A ticket stub entitling the holder to admission to a future event if the scheduled event was cancelled due to rain
   "The baseball game was rained out, so fans were given rain checks for a future game"
    
2. [N. Amer, informal] A promise that an unaccepted offer will be renewed in the future
   "I can't make it tonight, but can I take a rain check for next week?"

Derived forms: rain checks

Type of: promise, stub, ticket stub

Encyclopedia: Rain check