deuce (Noun) — A tie in tennis or table tennis that requires winning two successive points to win the game.
deuce (Noun) — The cardinal number that is the sum of one and one or a numeral representing this number.
deuce (Noun) — A word used in exclamations of confusion. ex. "the deuce with it"
deuce (Noun) — One of the four playing cards in a deck that have two spots.