Definition of powder

This is a fine powdery substance used to assist the sliding of the cue over the hand bridge.

24 Random Essential Billiards Terms

The white ball struck by the cue (and so used to strike other colored, numbered, object balls) during play.
Same as cloth (deprecated; it is factually incorrect).
Same as break.
Netted or cupped pockets that do not return the balls to the foot end of the table by means of a gutter system or sloped surface beneath (they must instead be retrieved manually).
Exact opposite of fast, all senses.
This refers to the cluster of balls remaining in a similar position to where they were within the break.
This is an object sometimes placed underneath the cue tip.
The imaginary line drawn perpendicular to the impact line between the cue ball and an object ball. The cue ball will travel along this line after impact with an object ball if it has no vertical spin on it (is sliding) at the moment of impact on a non-center-to-center collision. See also stun shot.
A denigrating slang term for the mechanical bridge.
A type of safety shot in the middle of a safety exchange that is not intended to put the opponent in a difficult situation regarding their next safety, but rather played so as to not leave an easy pot on. A typical example in snooker, which sees the most shots of this kind, is a slow roll-up into the pack.
Chiefly American: The cushion on the head rail. Compare bottom cushion; contrast foot cushion.
This is when a ball is spotted because of a foul or a handicap.
In three cushion billiards, the most standard shot where the third ball is advantageously placed in a corner.
In team match play when playing one-on-one matches, if one team is short a player, a player on that team is called back to play a second match.
For example: Team A has 6 players, Team B has 4 players. There will be five individual matches played. For the fifth match Team A can pick a player from Team B to play a second match against their fifth match player.

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.

This the area behind the pocket points before the pocket. The ball can get behind here and rest waiting to be pocketed, or the cue ball can get corner hooked in this location. Different tables feature a smaller or larger area here which can make these situations more or less achievable.
This is a long distance shot that is given to your opponent as a challenge to make because it often works well as a safety (defense) when a better one is not available.
A shot that has a positive outcome for the player, although it was not what the player intended. Examples of flukes include an unexpected pot off several cushions or other balls having missed the pocket aimed for, or perhaps a lucky safety position after having missed a pot. Compare fish and slop; contrast mark (sense 3) and call. It is customary to apologise to one's opponent if one does this.
In a tournament, to place high enough to receive a payout. E.g., in a tournament that pays from 1st down to 5th places, to be at least 5th place is to be in the money.
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.
A tournament format in which a player must lose two matches in order to be eliminated.
Same as gutter table. A table with a ball return system, as opposed to a drop pocket table.
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.
This technique works to keep your shot aligned by eyeing your shot above the table, and then locking your chin into position as you lower down to take your shot.