Billiards, any of various games played on a rectangular table with a designated number of small balls and a long stick called a cue. The table and the cushioned rail bordering the table are topped with a feltlike tight-fitting cloth. Carom, or French, billiards is played with three balls on a table that has no pockets. The other principal games are played on tables that have six pockets, one at each corner and one in each of the long sides; these games include English billiards, played with three balls; snooker, played with 21 balls and a cue ball; and pocket billiards, or pool, played with 15 balls and a cue ball. There are numerous varieties of each game, particularly of carom and pocket billiards. All billiards games require the basic equipment of a table, cue sticks, and balls.