Definition of Run

(Jack and Jill) Mixed doubles match (each team has one male and one female).

This is an attempt where one player answers the other players successful shot or run with a successful shot or run.

In three cushion billiards, the most standard shot where the third ball is advantageously placed in a corner.

A highly abrasive tip tool used to shape an unreasonably flat new cue tip, or misshapen old one, into a more usable, consistently curved profile, most commonly the curvature of a nickel or dime (or equivalently sized non-US/Canadian coin) for larger and smaller pool tips, respectively. Similar to a scuffer, but deeper and rougher.

Also in the zone. Describes an extended period of functioning in dead stroke ("She's in the zone").

This is a player who has the ability to make difficult shots in one pocket, because they are likely proficient at other pool games first.

Chiefly American, and largely obsolete: Same as referee.

To shoot without taking enough warm-up strokes to properly aim and feel out the stroke and speed to be applied. One-stroking is a common symptom of nervousness and a source of missed shots and failed position.

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 particular ball which lends itself to be used as a "blocker" or a "protector."
To use a particular ball as security by playing a safety or leaving it where it will act as one.

A soft joint-like plastic or linen base material. It lets the cue whip, putting more English on the cue ball.

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.

Also highs, high balls, high ones. In eight-ball and related games, to be shooting the striped suit (group) of balls (9 through 15); "you're high balls" or "I've got the highs" ("you're high" is rare, because of the "intoxication" ambiguity). Compare stripes, yellows, big ones, overs; contrast low.

This is a special shaped leather or plastic bottle that is used on the table during play in special pocket games.

An intentionally amateurish stroke to disguise one's ability to play.

One of the alternating turns players (or doubles teams) are allowed at the table, before a shot is played that concedes a visit to his/her opponent (e.g. "he ran out in one visit"). Usually synonymous with inning as applied to a single player/team, except in scotch doubles format.

This is how the player is who is does not break before they get a chance to get out of the break. This time period is when the breaking player with a position advantage on the table.

Describing a ball that is safe because it is in close proximity to one or more other balls, and would need to be developed before it becomes pottable.

Inadvertent english placed on the cueball by a failure to hit it dead center on its horizontal axis. It is both a common source of missed shots and commonly overlooked when attempts are made to determine the reason for a miss. In UK parlance this is usually called 'unwanted side'.

A tournament format in which a player must lose two matches in order to be eliminated.

Playing an opponent for money who has no chance of winning based on disparity of skill levels. The term robbed is also sometimes used humorously in exclamations when a shot that looks like it would work did not, as in "Oh! You got robbed on that one!"

This is a very easy and safe shot to execute in the game of one pocket.

Any system for banking or kicking balls multiple rails which uses table diamonds as aiming references.