Definition of undercut

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.

24 Random Essential Billiards Terms

When you have completed a shot by pocketing a ball into a pocket.
The normal phenomenon where the object ball is pushed in a direction very slightly off the pure contact angle between the two balls. Caused by the friction imparted by the first ball sliding past or rotating against the other ball.
This is the state after which the person returning the break has had the opportunity to catch and even the field after the breakers advantage.
Used when describing perfect cue ball position play.
This is a bank in one pocket pool that is sitting at an angle that makes it unsafe to play.
The lamentable practice of not following through with the cue straight, but veering off in the direction of the shot's travel or the side english is applied, away from the proper aiming line; a common source of missed shots.
This is when a ball is spotted because of a foul or a handicap.
A shot in which the cue ball is driven first to one or more rails, then hits an object ball and kisses back to the last rail contacted. It is a common shot in carom games, but can be applied to such an instance in any relevant cue sport.
Also known as joint caps. Plugs that screw into/onto the threads of a joint when a two-piece cue is broken down to keep foreign objects and moisture from contacting the joint mechanism.
To reach a certain position in a tournament. "I placed 17th." "She will probably place in the money this time."
Also spider rest. A type of rest, similar to a common American-style rake bridge but with longer legs supporting the head so that the cue is higher and can reach over and around an obstructing ball to reach the cue ball. See also swan.
The angle from which a ball rebounds from a rail, as measured from the perpendicular to the rail.
In certain carom billiards games, any shot in which the cue ball is sucessfully caromed off an object ball to strike another object ball (with or without contacting cushions in the interim) is a considered a billiards shot.
This playing to a number less than eight in a game of one pocket.
A bank shot is when the shooter (player) bounces the cue ball or the object ball (after it is hit by the cue ball) off a rail in an attempt to make the shot. A successful bank shot will result in sinking the object ball or a defense that will make it very difficult for the opponent to attempt their shot.
Three Cushion is a form of carom billiards.
The object of the game is to carom the cue ball off both object balls and contact the rail cushions at least 3 times before the last object ball. A point is scored for each successful carom.
To fail to make a legal shot.
In snooker, a pot into any of the corner pockets where the cue ball had started in the opposite lengthwise half of the table. In other words, a pot in which the cue ball or object ball crosses an imaginary line joining the middle pockets.
A particular shot where the object ball hits or grazes another object ball on the way to its pocket or toward hitting yet another object ball.
A unit of scoring, in games such as snooker and straight pool with numerical scoring.
A unit of scoring, in team matches in leagues that use numerical scoring instead of simple game/frame win vs. loss ratios.
Another term for knuckle / tittie.
In snooker, the colour ball worth 5 points, whose spot is at the center of the table.
This describes when a player is trapped behind a ball. (n.) - This is also the amount of money a player is down after betting.
This is to lay down the money on the table in a betting game before play begins to ensure pay up at the end.
This is a shot where the cue ball caroms off a number of balls in a pin ball, back and forth, fashion to achieve a shot.