Rummy is a group of games related by the feature of matching cards of the same rank or sequence and same suit. The basic goal in any form of rummy is to build melds which can be either sets or runs and either be first to go out or to amass more points than the opposition.

The following is a glossary of terms used in card games. Besides the terms listed here, there are thousands of common and uncommon slang terms. Terms in this glossary should not be game-specific, but apply to a wide range of card games played with non-proprietary packs. It should not include terms solely related to casino or banking games. For glossaries that relate primarily to one game or family of similar games, see Game-specific glossaries.