Crossword puzzle clue "gambling strategies"

a gambling game, a variety of the game of lotto, played with numbered balls or knobs, also KEENO, KINO, QUINO

CAROM, to collide with and rebound, also CARROM

CROSSFIRE, the crossing of lines of fire from two or more points

DEFENSE, to guard against a specific attack, also DEFENCE

DIET, to regulate food and drink

DOOR, an entrance that opens and closes