high-low

Short definition from Wiktionary

Adjective

1. 1
   Describing a game in which the high hand and the low hand win.
2. 2
   Designating a blackjack card counting technique in which the lowest cards are worth +1 point and the highest cards −1 point, and the counter places higher bets against higher point totals.
3. 3
   Mixing high fashion and low fashion.

Noun

1. 1
   Alternative form of highlow (“type of shoe”).
2. 2
   A card game where a player has to guess if the next card will be higher or lower than the one shown.
3. 3
   Alternative spelling of high-low.