Related Clues:

• One-___
• 'An apple ___...'
• Start of a Marx Brothers title
• An apple
• '... built in ___'
• Apple frequency?
• Diurnally
• 24 hours ___
• What to call it
• ''--- at the Races'' (Marx Bros.)
• Call it --
• 'An apple -- ...'
• '-- at the Races'
• “Queen for ___” (old TV show)
• Every 24 hours