- Cards.
- the suit in which the most cards are held in a hand.
- (in bridge) a suit in which four or more cards are held in a hand.
- the quality, activity, endeavor, etc., in which one excels: Diligence is his long suit.
- the longest suit in a hand of cards
- a holding of four or more cards of a suit
- an outstanding advantage, personal quality, or talent
