Rummy (noun)

1. A card game in which players attempt to form sets or runs of cards, discarding and drawing to improve their hand.
2. A person who drinks rum excessively or frequently.

Origin:

From the word rum meaning an alcoholic drink, which can be considered as the origin for the game, rummy.

Examples:

1. He taught us how to play rummy.
2. Rummy is a popular card game that is easy to learn.
3. Rummy is a game of strategy and luck.
4. The rummy old man was a regular at the bar.
5. He was a rummy and his drinking caused his downfall.