noun
Definition: A term used in games and sports to refer to the number two, often seen in dice or cards, and also used to describe a tied score in tennis.
Example: In tennis, the score was at deuce, meaning both players had 40 points each.
transitive verb
Definition: To bring the score in a tennis game to a tie at 40-40, where a player must win two consecutive points to win the game.
Example: The player managed to deuce the game after a long rally.