(card games) A card with two pips, one of four in a standard deck of playing cards.

(dice games) A side of a die with two spots.

(dice games) A cast of dice totalling two.

A noun "deuce" represents the number two, a piece of excrement (slang in canada and us), and a two-year prison sentence (slang in canada).

A hand gesture consisting of a raised index and middle fingers, a peace sign.

(tennis) A tied game where either player can win by scoring two consecutive points.

(baseball) A curveball.

A '32 Ford.

(in the plural) 2-barrel (twin choke) carburetors .

(restaurants, slang) A table seating two diners.

(epithet) The Devil, used in exclamations of confusion or anger.

Synonym of devil (“something awkward or difficult”)