(US Currency and Slang) - Voucher for re-entry to a future sports game. Issued when sporting event is cancelled due to rain. 'Take a rain check' = Slang for requesting or agreeing to a postponement.
Found on http://www.hemyockcastle.co.uk/money.htm
[n] - a promise that an unaccepted offer will be renewed in the future 2. [n] - a ticket stub entitling the holder to admission to a future event if the scheduled event was cancelled due to rain Found on http://www.webdictionary.co.uk/definition.php?query=rain%20check
noun a ticket stub entitling the holder to admission to a future event if the scheduled event was cancelled due to rain Found on https://www.encyclo.co.uk/local/20974