Bridge : Le bridge est un jeu de cartes, de type jeu de levées, consistant à comptabiliser le nombre de levées réalisées. Il se pratique avec un jeu de 52 cartes, par quatre joueurs, opposant deux équipes composées de deux partenaires.
Il se déroule en deux phases :

les enchères qui déterminent le contrat à jouer par le déclarant ;
le jeu de la carte pendant lequel le déclarant tente de réaliser au moins le nombre de levées (plis) annoncé par le contrat. Bridge sur Wikipédia (fr) 

Contract bridge : Contract bridge, or simply bridge, is a trick-taking card game using a standard 52-card deck. In its basic format, it is played by four players in two competing partnerships, with partners sitting opposite each other around a table.
The game consists of a number of deals, each progressing through four phases. The cards are dealt to the players; then the players call (or bid) in an auction seeking to take the contract, specifying how many tricks the partnership receiving the contract (the declaring side) needs to take to receive points for the deal. During the auction, partners use their bids to exchange information about their hands, including overall strength and distribution of the suits; no other means of conveying or implying any information is permitted. The cards are then played, the declaring side trying to fulfill the contract, and the defenders trying to stop the declaring side from achieving its goal. The deal is scored based on the number of tricks taken, the contract, and various other factors which depend to some extent on the variation of the game being played.
Rubber bridge is the most popular variation for casual play, but most club and tournament play involves some variant of duplicate bridge, where the cards are not re-dealt on each occasion, but the same deal is played by two or more sets of players (or « tables ») to enable comparative scoring. Contract bridge sur Wikipédia (en)