Definition of stroke

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.

24 Random Essential Billiards Terms

The inside walls of a pocket billiards table's pockets.
National Amateur Pool League.
This is a very easy and safe shot to execute in the game of one pocket.
To indicate where something is to be done. To "mark the pocket" means to indicate which pocket you intend to sink an object ball.
"Pocket billiards," or a game in which balls are shot into pockets.
A defensive action taken when a player either has no "makeable" or "high percentage" shot or chooses to leave his opponent in a difficult situation. It is a legal shot and is not considered to be dirty pool. A safety must still conform with the rule concerning hitting the correct ball first and striking a rail afterwards. If a correct ball is accidentally pocketed while playing safe, the shooter must continue to shoot.
The first shot in a game - aimed at a set of racked balls.
To execute the first shot in a new game.
In snooker this term can be use to indicate a series of successive shots completed by a single player.
The horizontal plane directly in the center of the cue ball, which when hit exactly by the cue tip should impart no follow or draw.
Refers to a person gambling when he has no money. As in, "That jerk can't pay up, he was shooting air barrels the whole time".
Balls remain unmoved after a player's shot.
This is a timing device for monitoring and restricting shot times for a player.
Chiefly British. This is a shot in a snooker game where the first object ball hit contacts another object ball and the second one is pocketed. If both of the balls are red, or if the second ball would be on if the first ball had not been deemed free then it is an allowed shot.
This is the stick used to contact the cue ball in pool and billiards games. The cue stick is usually made of wood, features a special contact tip, and is usually tapered to slide through your hand. The price of these tools can range from oil change to transmission change depending on the quality of craftsmanship and design.
Local Bylaws are additional rules, policies, and procedures unique to an area in addition (or subtraction) to established Pool/Billiards/Snooker league rules. They are designed to cover local situations.
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.
A player's auction at a pool tournament. Each player is called and players and spectators bid on the player. The highest bidder(s) pays their bid to the calcutta, and by doing so invest in that player's success. If a player wins or places in the tournament, those who "bought" the player receive a percentage of the total calcutta payout, usually tracking the percentage payout of the tournament prize fund. Typically, players have the option of purchasing half of themselves when the high bid is won by a third party. Like english and scotch doubles, usually not capitalized.
A shot in which the cue ball is struck above its equator with sufficient top spin to cause the cue ball to travel forward after it contacts an object ball. When a cue ball with follow on it contacts an object ball squarely (a center-to-center hit), the cue ball travels directly forward through the space previously occupied by the object ball (and can sometimes even be used to pocket a second ball). By contrast, on a cut shot, a cue ball with follow on it will first travel on the tangent line after striking the object ball, and then arc forward, widening the carom angle.
Accidentally causing the cue ball or any object ball to leave the table. It is normally a foul.
This is to watch a match with such intensity that there is worry, usually because of a wager on the game.
Slang for a mechanical bridge.
This is any game of pool played with money on the line. You can "put some action" on the game.
Chiefly British: Short for side spin. In Canadian usage, the term is sometimes used as a verb, "to side".
A player who during the course of a tournament does not lose focus. Typically said of those players that regularly make it to the finals of a tournament.
This is to take all the money from a player or to have lost all of your own money.