Definition of clean

This refers to a shot that is not banked, does not hit a rail and goes into the pocket without contacting any other balls on the table.

24 Random Essential Billiards Terms

A pejorative term for an improper rack in which the balls are not properly in contact with their neighbors, often resulting in a poor spread on the break.
Slang for the cue ball.
Billiard Congress of America. The official governing body for pocket billiards in the United States.
In snooker and British pool, the successful potting of all object balls-on in a single frame.
This is an instance when the person not taking their turn interferes with the game play, this is recorded as a foul.
Also (chiefly British) programme. Short for shot program. The enumerated trick shots that must be performed in the fields of artistic billiards (70 pre-determined shots) and artistic pool (56 tricks in 8 "disciplines").
Slang term for the cue ball.
Used in snooker in reference to the position of the cue ball. It is above the object ball if it is off-straight on the baulk cushion side of the imaginary line for a straight pot (e.g. "he'll want to finish above the blue in order to go into the pink and reds"). It is also common to use the term high instead.
This is to have control on the cue ball in your shots.
The wrap is situated over the handle of the cue, below the forearm and above the butt. Common materials used are Irish linen, leather, or cork. These materials make sense, because they provide a sure grip, long life, and help to absorb moisture from the hand when you are sweating through a difficult rack. In addition, wraps are used to compliment the color or style of the cue stick and to elegantly complete the look.
Either of the two shorter rails of a billiards or pocket billiards table.
British: Same as cling, and kick.
The heavy, finely milled rock (slate) that forms the bed of the table, beneath the cloth. Major slate suppliers for the billiards industry are Italy, Brazil and China. Some cheaper tables, and novelty tables designed for outdoor use, do not use genuine slate beds, but artificial materials such as Slatrol.
An illegal shot (foul) in which the cue stick's tip contacts the cue ball twice during a single stroke. Double hits often occur when a player shoots the cue ball when it is very close to an object ball or cushion, because it is difficult to move the cue stick away quickly enough after the cue ball rebounds from the cushion or object ball.
Also shake bottle, pea bottle, pill bottle, kelly bottle, tally bottle. The bottle used in various games to hold numbered peas, it is employed to assign random spots to players in a roster (such as in a tournament), or to assign random balls to players of a game.
The placement of the balls, especially the cue ball, relative to the next planned shot. Also known as shape.
To allow an opponent to stop playing a set for money in exchange for something. If a player is winning a set by a wide margin, with $100 on the line, the player could say, "I'll let you out now for $75." This is usually meant to save pride.
Same as cue.
This is when you aim at one particular object ball that is not meant to go in the pocket, but is instead meant to contact another object ball which will continue the combination process or be pocketed.
Nine Pin (also known as Goriziana) is a carom billiards game. The game has nine pins in the center of a table. It is played by two teams of 1 or 2 players. Three balls are used of which two are cue balls. Each team (or each player) aims to hit their opponent's ball and from there score points by hitting onto the red ball and also by making the opponent's and/or the red ball knock over the pins.
A slang term for a cue, usually used with "piece", as in "that's a nice piece of wood".
USA Pool League. A pool league structured exclusively around eight-ball match play.
To create contact with the cue ball or an object ball.
When the cue ball is tucked behind the corner of a pocket, therefore not allowing a direct shot at the object ball without it bouncing of the corner of the rail.