[jin] 
noun, verb, ginned, gin⋅ning. Cards.| 1. | Also called gin rummy. a variety of rummy for two players, in which a player with 10 or fewer points in unmatched cards can end the game by laying down the hand. |
| 2. | the winning of such a game by laying down a full set of matched cards, earning the winner a bonus of 20 or 25 points. |
| 3. | to win a game in gin by laying down a hand in which all 10 cards are included in sets. |
| gin rummy n. A variety of rummy for two or more persons in which a player may win by matching all his or her cards or may end the game by melding with unmatched cards that add up to ten points or fewer. |