From Longman Dictionary of Contemporary Englishgin rummyˌgin ˈrummy noun [uncountable] DGCa type of rummy (=card game for two people)
Examples from the Corpus
gin rummy• They wore army fatigues and played brooding games of gin rummy, listening to dull rumbles from the sabotage site.• They'd enjoyed a game of snap or whist or gin rummy.• Nana and I sat at her kitchen table eating Fannie Mae chocolates and playing gin rummy.• Victoria had been playing gin rummy with her, and Shelley had come to take over. 