long suit

long suit

n.

1. Games The suit in which a player holds the most cards in a given hand.

2. The personal quality or talent that is one's strongest asset.

Thesaurus

Noun	1.	long suit - in a hand, the suit having the most cards aggregation, collection, accumulation, assemblage - several things grouped together or considered as a whole deal, hand - the cards held in a card game by a given player at any given time; "I didn't hold a good hand all evening"; "he kept trying to see my hand" strong suit - a long suit including high cards
	2.	long suit - an asset of special worth or utility; "cooking is his forte" forte, metier, speciality, specialty, strong point, strong suit, strength asset, plus - a useful or valuable quality green fingers, green thumb - a special ability to make plants grow