deuce 1
/doohs, dyoohs/ , n.
1. Cards. a card having two pips; a two, or two-spot.
2. Dice.
a. the face of a die having two pips.
b. a cast or point of two.
3. Tennis. a situation, as a score of 40-40 in a game or 5-5 in a match, in which a player must score two successive points to win the game or two successive games to win the set.
4. Slang.
a. a two-dollar bill.
b. the sum of two dollars.
adj.
5. (esp. in games, sports, and gambling) two.
[ 1425-75; late ME deus duos (masc. acc. of duo ) ]
deuce 2
/doohs, dyoohs/ , n.
devil; dickens (used as a mild oath): Where the deuce did they hide it?
[ 1645-55; appar. to be identified with DEUCE 1 ]