The direction moving from any point on the table toward the head of the table.

When referring to the head string, above the head string is also referred to as "behind the head string", "behind the line", or “in the kitchen”

The position of the front ball of the rack.

When the cue ball may be placed anywhere on the bed of the table.

Also referred to as “cue ball in hand”.

When the cue ball must be placed anywhere behind the head string on the bed of the table.

Also referred to as “ball in hand behind the line”.

A ball that, during a game, is on the bed of the table, in motion on or over the table, or falling into a pocket.

A shot in which the called ball, before being pocketed, contacts one or more cushions attached to a rail not adjacent to the called pocket.

Incidental contact with a cushion attached to a rail adjacent to a called pocket does not constitute a bank shot.

The point at which the ball touches the bed of the table

The cloth-covered playing surface within the cushions of the table.

The cloth-covered tops of the cushions are not part of the bed.

The area of the bed of the table between the head string and the head cushion.

Also referred to as “the kitchen” or "behind the line".

The area behind the head string does not include the head string.

The direction moving from any point on the table toward the foot of the table.

A cue used primarily for, and usually designed for, break shots.

When specified by tournament director or the house, a marked or designated area of the kitchen in which the cue ball must be placed for the break shot.

The end of a cue opposite the tip.

Game in which the specific game rules require the player, in advance of each shot, to designate the ball to be pocketed and the pocket into which it will be made.

In a call shot game: the object ball the player designates to be pocketed.

In a call shot game, the pocket the player designates for the called ball.

A shot in which the cue ball, before contacting the called ball, first contacts one or more other balls.

The point at which the long string and center string intersect.

A line along the bed of the table, aligned between the centers of the side pockets.

1. A shot in which the cue ball first contacts a ball other than the called ball, followed by that ball then contacting the called ball or other object ball(s) which then contact the called ball.

2. A shot in which the called ball contacts another ball that is blocking the called ball’s path to the called pocket, and the blocking ball is pocketed in the called pocket before the called ball.

A device, usually wooden and tapered, used to strike the cue ball.

The ball that must be legally struck with the cue tip during a shot.

Usually a predominately white ball, sometimes marked with various small circles, logos, or dots.

A piece of leather, fibrous, or pliable material, attached to the shaft end of the cue along its long axis, which contacts the cue ball during a stroke.

A strip of cloth-covered rubber that borders the inside of the rail.

Inlays or markings on the rails used for references or target points.

A ball that has been accidentally touched or moved by the player's body, clothing or equipment.

1. When the cue tip strikes the cue ball more than once on a single stroke.

2. When any part of the cue contacts the cue ball after the cue ball’s initial contact with an object ball.

Having settled completely into a shooting position with a bridge established and pre-shot practice strokes, if any, imminent or in progress.

A match, game, series of matches or games, league schedule or tournament conducted under the authority of a national, regional, state or local administrative body that is either CSI owned, sanctioned or sponsored, or that is being played under CSI rules.

1. All areas in which tables specified for play or practice are located; all hallways, lobbies, or other public spaces adjacent to those areas.

2. Other spaces designated by Administrative Authority.

A piece of protective material at the end of the cue shaft, onto which the cue tip is attached.

The cushion attached to the foot rail.

The end of the table at which the balls are racked.

The point at which the long string and the foot string intersect.

A line along the bed of the table, aligned between the second diamonds of the long rails as counted from the foot of the table.

Balls that were not spotted as required when available.

Any violation of the rules of play as defined in the General Rules or specific game rules.

A shot or stroke on which a foul occurs.

A ball that is touching another ball or a cushion.

If loose strands or fibers of cloth extend from a cushion and contact a ball, that does not constitute that ball being frozen to the cushion.

A term used by referees when calling a shot.

The cushion attached to the head rail.

The end of the table from which the opening break and lag is performed.

The point where the head string and long string intersect.

A line along the bed of the table, aligned between the second diamonds of the long rails as counted from the head of the table.

The area behind the head string does not include the head string.

The action of the cue ball with respect to its contact with object balls.

A break shot that does not meet the break requirements as defined by specific game rules.

An object ball other than a legal object ball as defined by specific game rules.

An object ball is illegally pocketed when:

a. a foul is committed on the shot in which the ball was pocketed;

b. in call shot games, a called ball goes into a pocket other than the called pocket;

c. it is defined as illegally pocketed by specific game rules;

d. in call shot games, a non-obvious shot that is not called.

An object ball that prevents the cue ball from traveling a straight line to the first object ball with which contact is attempted.

An impeding ball may be a legal or an illegal object ball.

A turn at the table by a player.

The area of the bed of the table between the pocket and a line between the noses of the cushions near the pocket where they change direction.

Also referred to as the "Mouth Of Pocket".

A cue used primarily for, and usually designed for, jump shots.

A cue used primarily for, and usually designed for, both jump and break shots, usually having a portion of the butt designed for removal while jumping.

Intentionally causing the cue ball, because of a downward stroke, to rebound off the bed of the table in order to jump the cue ball over an impeding ball.

A ball that:

a. comes to rest other than on the bed of the table or in a pocket;

b. contacts any object that is not part of the table (chalk, light fixture, player, floor, etc.);

A ball is not a jumped ball if it leaves the bed of the table and returns there without contacting anything that is not part of the table.

A shot in which the cue ball, before contacting the called ball, contacts one or more cushions attached to a rail not adjacent to the called pocket.

Incidental contact with a cushion attached to a rail adjacent to a called pocket does not constitute a kick shot.

A shot in which the called ball glances off another object ball before being pocketed.

The area of the table between the head string and the head cushion.

Also referred to as the area “behind the line” or "behind the head string".

The kitchen does not include the head string.

A procedure to determine which player breaks.

A break shot which meets the requirements of specific game rules.

An object ball with which first contact by the cue ball is required or legal under specific game rules.

A shot that does not result in a foul.

Forward motion of the cue resulting in the cue tip striking the cue ball for only the momentary time customarily associated with a normal shot.

"Forward" means relative to the cue itself, along the long axis of the cue and away from the butt, and has no relevance to any part of the table or any relationship to the player or any part of their body.

When an object ball is pocketed on a legal shot and in accordance with specific game rules.

A game that uses a complete set of fifteen object balls.

A line along the bed of the table, aligned between the center diamond of the head rail and the center diamond of the foot rail.