In playing cards or dice, a deuce is defined as two spots. In tennis, a deuce is a tied score of 40 to 40 in a game or 5 to 5 in a set.(noun)
An example of a deuce on a playing card is the two of hearts.
See deuce in Webster's New World College Dictionary
Origin: < Fr à deux de jeuTennis, Badminton, etc. a tie score (in tennis, 40 each, or any tie score beyond this), after which one player or side must score two successive points to win the game
Origin: ME deus, dewes < OFr deus < L duos, acc. of duo, two
Origin: ME dewes, two in dice or cards, confused with dewes, God < OFr dieu & L deus (see deity): meaning in reference to low score at dice
See deuce in American Heritage Dictionary 4
Origin: Middle English deus
Origin: , from Old French, two
Origin: , from Latin duōs
Origin: , masculine accusative of duo; see dwo- in Indo-European roots.
Origin: Probably from Low German duus, a throw of two in dice games, bad luck
Origin: , ultimately from Latin duo, two; see deuce1.
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