Definition of green ball

In snooker, the colour ball that is worth three points, being the second-least valuable colour behind the yellow. It is one of the baulk colours.

24 Random Essential Billiards Terms

To indicate where something is to be done. To "mark the pocket" means to indicate which pocket you intend to sink an object ball.
The ornamentation on a cue is often made by inlaying exotic materials into the wood of the butt portion of the cue. Inlays of ebony and ivory are quite common. The value of a cue is often based on the number inlays.
A shooter's body position and posture during a shot.
In the game 9 Ball, making the nine ball early with a legal shot, but not on the break.
Same as cloth (deprecated; it is factually incorrect).
This is a version of double elimination tournament play that splits the field of competitors into two brackets that come together for a single elimination championship game.
Similar to run out, but more specific to making all required shots from the start of a rack. Also known as also break and run or break and dish.
A stroking technique in which a player releases his gripping hand briefly and re-grasps the cue farther back on the butt just before hitting the cue ball.
This is a tool that is used to shape a cue stick. It holds the cue in place while rotating it along a cutting edge. This tool can also be used to hold the cue in place while constructing or repairing other parts on the cue.
This a shot that hits the object ball at the nine ball to see if you can get lucky by sinking the nine ball in any pocket. (also see Rolling the Cheese and Cheese the Nine).
Jargon for a tournament chart, showing which players are playing against whom and what the results are. Often shortened to card.
The triangular device, generally plastic, used to group the balls in a pyramid form prior to the beginning of a game.
A players skill level, ball advantage or match advantage when using a handicapping system.
An instance of contact between balls, usually used in the context of describing an object ball contacting another object ball (e.g. "the two ball kissed off the twelve ball"), or in snooker the cue ball making contact with a ball after the initial contact with the object ball. If the player's intention was to cause two object balls to kiss (e.g. to pocket a shot ball after a ricochet off a stationary one), it is often called a kiss shot.
Any system for banking or kicking balls multiple rails which uses table diamonds as aiming references.
This is a very easy and safe shot to execute in the game of one pocket.

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 .

Failure to hit an object ball at all with the cue ball. In most sets of rules, this is a foul like any other. However, in some variants of bar pool a table scratch while shooting for the 8 ball is a loss of game where other more minor fouls might not be, as is scratching on the 8 ball (neither result in a loss of game in most professional rules).
By way of drift from the above definition, the term is also applied by many league players to the foul in more standardized rules of failing to drive a (any) ball to a cushion, or to pocket a legal object ball, after the cue ball's initial contact with an object ball.
By way of entirely different derivation ("scratch off the table"), it can also mean knocking the cue ball (or more loosely, any ball) completely off the table.
A foul where the rules are blatantly, intentionally violated, with a stiffer penalty (e.g., loss of game) than normal.
This is the way a ball rolls when impeded by something on the table or a blemish in the cloth, often times regular players will remember certain rolls and play to them.
A joint type which makes it possible to screw and unscrew the butt and shaft very quickly; faster than standard threads.
The Billiards World Cup Association. The Billiards World Cup Association (BWA) was a governing body for carom billiards, like its competitor and successor, Union Mondiale de Billard. After staging several three-cushion billiards championships, BWA met its demise in 2004 due to financial problems and failing relations with the UMB, leaving the latter as the only carom governing body.
This is a location where a player can go inexpensively to refine their pool skills. These establishments began as horserace betting houses, and are still often filled with games involving money action. If you get thirsty, many pool halls offer cold refreshments, however, be careful you are not there just for the refreshments. In that case, you may as well be playing at a bar with a bent cue on a rain table.
Skilled playing in which knowledge of ball speed, angles, post-impact trajectory, and other factors are used to gain position (i.e. a good leave) after the target ball is struck. The goals of position play are generally to ensure that the next shot is easy or at least makeable, and/or to play a safety in the advent of a miss (intentional or otherwise).