Definition of Short rack

This is the red colored object ball in carom games.
In snooker, any of the 15 balls worth 1 point each that can be potted in any order. During the course of a break a player must first pot a red followed by a colour, and then a red and colour, etc., until the reds run out and then the re-spotted six colours must be cleared in their order. Potting more than one red in a single shot is not a foul - the player simply gets a point for each red potted.
In blackball, one of two groups of seven object balls that must be potted before the black. Reds are spotted before yellows, if balls from both group must be spotted at the same time. Compare stripes; contrast yellow ball.
In carom billiards, the object ball that is neither player's cue ball.

Pocket openings that are significantly wider than are typical and thus allow shots hit with a poor degree of accuracy to be made that would not be pocketed on a table with more exacting pocket dimensions.

This is an object ball that essentially covers up a path necessary for sinking the desired object ball.

In blackball, a penalty conceded by a player after a fault. The incoming opponent is then allowed to miss twice before the faulting player is allowed another visit. Many local rules state the in-hand from the "D" or baulk (or if the opponent potted the cue ball, from anywhere) nature of the second shot is lost if a ball is potted on the first shot, that it is lost if the ball potted in the first shot was that player's last coloured ball (object ball in their group), and/or that there is only ever one shot on the black after a fault.

A shot played with stun, but not quite enough to completely stop the cue ball, allowing for a little follow. It is played so that a follow shot can be controlled more reliably, with a firmer strike than for a slow roll. It is widely considered as one of the most difficult shots in the game to master, but an excellent weapon in a player's armory once it has been.

This is the playing surface for billiards games. Consisting of 6 pockets, cushions on the side, and a felt layer covering the hard table portion, the length is usually twice as long as it is wide, but varies depending on the game at hand.

The table reserved for games played for money or the best table in the house. This table is always of better quality and regularly maintained. Money tables are most commonly reserved for big action.

Australian: Defeated with all seven of one's object balls (in blackball or eight-ball) remaining on the table.

This is an instance when the person not taking their turn interferes with the game play, this is recorded as a foul.

This is a shot where the cue ball double kisses in order to direct the object ball toward the pocket.

In snooker, the highest-value baulk colour, worth 4 points.

All-Africa Pool Association. The AAPA is a member of the WPA.

A game that basically cannot be lost based on disparity of skill levels; "this game is a lock for him."

1- Short for "pool shark", poolshark (US); sharp, "pool sharp" (British)

2- Verb: To perform some act or make some utterance with the intent to distract, irritate or intimidate the opponent so that they do not perform well, miss a shot, etc. Most league and tournament rules forbid blatant sharking, as a form of unsportsmanlike conduct, but it is very common in bar pool.
Noun: Another term for hustler.
Noun: A very good player. This usage is common among non-players who often intend it as a compliment and are not aware of its derogatory senses .

United States Professional Poolplayers Association The United States Professional Poolplayers Association (UPA) is the governing body for the sport of men's professional pool (pocket billiards) in the United States, in conjunction with the World Pool-Billiard Association (WPA) and its US-national affiliate, the Billiard Congress of America (BCA). Founded in 2002, the association is based in Phoenix, Arizona.

Hitting the object ball with not enough of a cut angle; hitting the object ball too full or "fat". It is a well-known maxim that overcutting is preferable to undercutting. See also professional side of the pocket.

American Cuemakers Association. This organization was formed in 1992 to help bring value to the development and advancement of cues in the United states.

When a ball goes into a pocket then pops back out. It really is not witchcraft, but is usually because the pocketed ball was traveling to fast and either ricocheted off the back or sides of the pocket opening. Sometimes,on tables with plastic inserts, the object ball can bounce out from the bottom of the pocket.

To bungle a shot in a manner that leaves the table in a fortuitous position for the opponent. Contrast sell the farm.

This is the running score of a player during his inning of play. The sum of the continuously scored points, or where the player stands in the run on the table.

This is the raised portion on the side of the table; the cushions are essentially rubber bumpers covered in the table cloth.

The surface of the table used for play (often made with slate).

When the cue ball is tucked behind the corner of a pocket, therefore not allowing a direct shot at the object ball.

An imaginary line dividing the table into two equal halves lengthwise. It intersects the head string, center string and foot string at the head spot, center spot and foot spot, respectively.