Historically, the umbrella term was billiards. While that familiar name is still employed by some as a generic label for all such games, the word's usage has splintered into more exclusive competing meanings among certain groups and geographic regions. In the United Kingdom, "billiards" refers exclusively to English billiards, while in the United States it is sometimes used to refer to a particular game or class of games, or to all cue games in general, depending upon dialect and context.

There are three major subdivisions of games within cue sports:

• Carom billiards, referring to games played on tables without , including among others balkline and straight rail, cushion caroms, three-cushion billiards and artistic billiards
• Pocket billiards (or "pool") generally played on a table with six pockets, including among others eight-ball (the world's most widely played cue sport), nine-ball, straight pool, one-pocket and bank pool.
• Snooker, which while technically a pocket billiards game, is generally classified separately based on its historic divergence from other games, as well as a separate culture and terminology that characterize its play.

More obscurely, there are games that make use of obstacles and targets, and table-top games played with disks instead of balls.

Billiards has a long and rich history stretching from its inception in the 15th century; to the wrapping of the body of Mary, Queen of Scots in her billiard table cover in 1586; through its many mentions in the works of Shakespeare,

History

The word "billiard" may have evolved from the French word billart or billette, meaning "stick", in reference to the , an implement similar to a golf club, which was the forerunner to the modern cue; the term's origin may have also been from French bille, meaning "ball". The modern term "cue sports" can be used to encompass the ancestral mace games, and even the modern cueless variants, such as finger billiards, for historical reasons. "Cue" itself came from queue, the French word for a tail. This refers to the early practice of using the tail of the mace to strike the ball when it lay against a .

A recognizable form of billiards was played outdoors in the 1340s, and was reminiscent of croquet. King Louis XI of France (1461–1483) had the first known indoor billiard table. Louis XIV further refined and popularized the game, and it swiftly spread amongst the French nobility. While the game had long been played on the ground, this version appears to have died out in the 1600s, in favor of croquet, golf and bowling games, while table billiards had grown in popularity as an indoor activity. Mary, Queen of Scots, claimed that her "table de billiard" had been taken away by what would eventually become her executioners (who covered her body with the table's cloth). In 1588, the Duke of Norfolk, owned a "billyard bord coered with a greene cloth... three billyard sticks and 11 balls of yvery". Billiards grew to the extent that by 1727, it was being played in almost every Paris cafe. In England, the game was developing into a very popular activity for members of the gentry.