Related Clues:

• Gin and tonic garnish
• Martini base
• __ rummy
• Card-table pronouncement
• Key ___ pie
• Knocking word
• Beefeater product
• Winning cry in a card game
• Martini need
• Green citrus fruit
• 7-Up flavor
• 18D's invention
• Card player's victory cry, perhaps
• Source of zest
• Totter sauce?