Related Clues:

• Bookie's business
• Risk in Reno
• It makes the pool larger
• Exacta, e.g.
• Trifecta, e.g.
• 'You -- Your Life'
• Put money (on)
• Play the slots, e.g.
• Make a wager
• Toss in a chip
• Use a parimutuel machine
• Track placement
• Try for a trifecta
• Trifecta, for one
• Stack of chips, perhaps