1. A shot in which extreme spin is applied to the cue ball by elevating the butt of the cue.
2. A shot in which any attempt is made to curve the cue ball around an impeding object ball,
regardless of the degree of elevation of the cue or amount of curve.
A grooved device, usually mounted on a handle, which provides support for the shaft of the cue.
A stroke that unintentionally results in faulty cue tip contact with the cue ball
(such as the cue tip sliding off the cue ball), often accompanied by a sharp sound
not usually associated with a normal stroke.
A ball other than the cue ball.
A shot in which the non-shooting player has no doubt as to, or does not question,
the ball and the pocket.
A shot in which the cue ball has a clear path to the object ball and the object ball
has a clear path to the pocket.
The following types of shots are exceptions and are defined as being "not obvious":
a. bank shots;
b. kick shots
c. combination shots;
d. shots that include caroms, kisses or cushion contacts that are not incidental;
e. any shot judged as not obvious by the referee
ON A FOUL
When a player fouls, they are said to be "on" a foul until they execute a legal shot.
If a player has successive fouls, they are said to be on the number of successive fouls they have.
ON THE HILL
Needing only one more game to win the match.
In 8-Ball: when groups have not been established.
The cue used for most shots (as opposed to a break cue or a jump cue).
A ball that drops off the bed of the table into a pocket and remains there.
Note: A ball that rebounds from a pocket back onto the table bed is not a pocketed ball.
POSITION OF BALL
When a ball is resting on the bed of the table, its position is determined by its base.
Equipment other than that which the player brings to a match, borrows, or purchases
from other players, spectators or vendors during a match.
In 9-Ball and 10-Ball: a shot, declared in advance and immediately following a legal break. in which Rule 1-19 does not apply.
A shot in which the cue tip maintains contact with the cue ball longer than the momentary
contact allowed for a legal stroke.
1. A device used for gathering the balls into the formation required at the beginning
of the game or rack. Also referred to as a “triangle”.
2. The formation of the object balls at the beginning of the game.
The top surfaces of the table, not covered by cloth, from which the cushions protrude.
There are four rails on a pool table: the head rail, the foot rail, and two side rails.
When a referee stays at the table for the duration of a match or other extended period.
Procedures established by the Administrative Authority that usually do not directly
affect the play of the game on the table, and are primarily administrative in nature.
Examples include dress codes, eligibility, breaking order, bracket procedures, team coaching
When a disturbed ball is returned to its original position.
A shot that, depending on specific game rules, may end a player's inning.
Also referred to as "Safe", or “Just a shot”.
Any league or tournament play that is officially recognized by CSI.
1. When the cue ball is pocketed on a shot.
2. When the cue ball touches any pocketed ball or obstruction in a pocket,
regardless of whether the cue ball remains pocketed.
The end of the cue to which the cue tip is attached.
SHORT RACK GAME
A game that uses a rack of less than fifteen object balls.
All events related to the motion of the balls from the time the cue tip contacts
the cue ball until all of the balls have come to rest.
A timing device used to measure the time limit a player has to take a shot.
The device must have the functions of a stopwatch including start, stop, and reset.
If the device has audio functions, they must be disabled.
1. When the cue ball first strikes more than one object ball at the same time.
2. When it cannot be determined which object ball the cue ball struck first.
The motion of the cue from the time it begins its forward motion,
through the time the cue tip strikes the cue ball, and any further follow-through
motion of the cue.
Fouls committed on consecutive shots by the same player
(also referred to as “consecutive fouls”).
TABLE IN POSITION
The position of the balls on the table as they lie.