rain check rain chamber • rain cloud · · · Info · Definitions · Characters · · rain check · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) a promise that an unaccepted offer will be renewed in the future. Synonyms: rain check. · · Noun Definition 1 (noun) a ticket stub entitling the holder to admission to a future event if the scheduled event was cancelled due to rain. Synonyms: rain check. · · Noun Definition 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E r latin small letter r U+0072