Definition of head ball

This is the apex ball in the triangle, racked on the foot spot in a normal game.

24 Random Essential Billiards Terms

This is the portion of your cue below joint, and includes the forearm, handle, sleeve, and the cap. Usually made with exotic wood and creatively designed to be pleasing to the eye, and often times wrapped at the handle, this is the attractive portion of the cue stick. (Sometimes this word is used alone to refer to the butt sleeve portion of the cue stick).
This is a shot involving contact between the cue ball and an object ball which allows the cue ball to contact another object in order to sink a pocket with the second object ball.
The angle at which a ball approaches a rail, as measured from the perpendicular to the rail.
To elevate the back of the cue on a shot.
This is a carom shot that utilizes english and only two rails to achieve three cushion contacts.
Side spin on the cue ball that causes it to unnaturally roll off a cushion (contacted at an angle) against rather than with the ball's momentum and direction of travel. If angling into a cushion that is on the right, then reverse english would be right english, and vice versa. The angle of deflection will be steeper (narrower) than if no english were applied. The opposite of running english, which has effects other than simply the opposites of those of reverse english.
To win an inning that counters a good game your opponent just won.
The inning win that counters a good game your opponent just won.
This is a table that offers poor conditions for play; it is either dirty, wet, or overall poor quality.
A cue dedicated to jumping balls; usually shorter and lighter than a playing cue and having a wider, hard tip. Also referred to as a jump stick.
The placement of the balls, especially the cue ball, relative to the next planned shot. Also known as shape.
The full fifteen ball set of pool or snooker object balls after being racked, before the break shot (i.e., same as rack, definition 2, and triangle, defn. 2). Chiefly British today, but also an American usage ca. World War I.
A denigrating slang term for the mechanical bridge.
Also known as a "Dirty Defense" or "Dirty Foul". To intentionally miss a shot (that results in a foul) in order to create a position for the cue ball that makes it hard for the other player to execute their shot. Not to be confused with a "Safety", since a safety is a legal hit.
This is to miss your shot but either luckily or on purpose leave your opponent with nothing to shoot at.
Sandbagging, in any handicapped sport, is the unethical practice of deliberately playing below your ability in order to alter your handicap so it does not reflect your true ability.

1- Noun: A player's wager in a money game.

2- Verb:To provide part or all of a player's stake for a gambling session in which one is not a player. A person who stakes or backs a player is called a stakehorse or backer. "Stakehorse" can also be used as a verb.

In snooker, the cushion opposite the top cushion and bounded by the yellow and green pockets (i.e. same as bottom cushion).
This is a certain type of system used to determine who plays first in the next game. These methods are not synonymous with pool skills, and are more along the lines of flipping a coin, paper-rock-scissors, or drawing straws.
Also pro side of the pocket and missing on the professional (or pro) side of the pocket. Sometimes "of the pocket" is left off the phrase. To err on the side of overcutting a difficult corner pocket cut shot rather than undercutting in nine ball; "missing on the professional side of the pocket." So called because experienced players understand that on a thin cut, overcutting the object ball to a corner pocket will far more often leave the object ball in an unfavorable position for the incoming opponent than will an undercut, which often leaves the object ball sitting in front of or nearby the pocket it had been intended for on a miss. By contrast, in eight-ball, except when both players are shooting at the 8 ball, the incoming player after a miss is shooting for different object balls, so this maxim does not apply, and the opposite may be good strategy as, if the object ball stays near the pocket through an undercut, it is advantageously positioned for a subsequent turn and may block the opponent's use of the pocket.
Used by itself often with "low" and "high": "that's a low-percentage shot for me", "I should really take the high-percentage one".
The World Professional Billiards and Snooker Association, founded in 1968 and based in Bristol, England, United Kingdom is the governing body of professional snooker and English billiards. It sets the sports' rules, organises tournaments and the pro-am and pro tours, and engages in various promotional activities.
Toward the head of the table. This is the playing area on the table above the middle pockets. The idea in an up table game is that shots are more difficult and further from the pockets in one pocket pool.
The motion of the cue stick and the player's arm on a shot;
The strength, fluidity and finesse of a player's shooting technique; "she has a good stroke."
A combination of finesse, good judgement, accuracy and confidence.
This is to use running english or soft speed in order to open up the angle on a particular bank shot.