Meanings of play rummy in English

All the same, I wait while Grandpa Slavko, Granny Katarina, Auntie Typhoon and Uncle Bora play rummy in the candlelight; I'm waiting to disappear.

Three men sat on folding chairs around a card table playing rummy.

Allie and another girl were playing rummy on a stack of suitcases.

I found a deck of cards after a while and we played rummy until ten o'clock and Helen made us some more coffee.