A shot on which the ball contacts a player's paddle or paddle hand twice; results in loss of point.

The situation when each competitor scores a hit on the other simultaneously in epee.

To hit two of your opponent's checkers in a single move.

Illegally striking the cue ball twice in one shot.

When a player touches the ball twice consecutively on the same play (this does not include contacting the ball after blocking). A double hit is a foul (also called double contact).

An illegal play (execpt on the first contact of the ball)on the ball where the player attempts to contact the ball once, but the ball contacts the player twice, i.e. A player tries to pass the ball and it hits their forearms and then hits their chest.

A foul shot, that occurs when a players cue tip strikes the object ball more than once during a shot. Most often when the cueball and object ball are in very close proximity, or on a rail.

To hit two opposing blots at the same time. A double hit is a very powerful tempo move as the opponent's entire roll must be used to attempt to re-enter the checkers rather than strengthen their position.

where two fencers are judged to have hit at the same time but one has priority over the other (eg an attack and counter-attack) as opposed to a simultaneous attacks.

A very powerful move of hitting two checkers within one move. The next time the opponent needs to play, he needs to use all his move to re-enter his checkers to the board.

AKA. Double Bump To move one or two checkers so as to land on two of one's opponent's blots in one turn.

Hitting two of your opponents blots in one turn, either as a direct or indirect hit.

Successful contact with the sword by both fencers within .04 of a second, counted only in epee competition.

The process of running a print job twice through a printing press using a particular color to get an added amount of ink coverage, often used with dark inks such as black to achieve a rich appearance.

Successive hits or contacts by the same player. (Illegal)

The act of striking the ball twice during a single stroke; it results in loss of the point.

To hit two opponent's men in a single move.