Related Clues:

• 'Cheerio!'
• 'Ta-ta!'
• Gallic goodbye
• Word of parting
• Polite goodbye
• 'So long, Pierre!'
• With 27-Across, holiday celebrators' farewell
• Word on the way out?
• Flowery 'ta-ta'
• It may be bid
• ''Ta-ta!''
• 'Till we meet again'
• ''Cheerio!''
• 'Farewell'
• It's bid fondly