Related Clues:

• "So long!"
• Chico's 'ciao'
• Bye, somewhere
• Roman greeting
• It's said when taking off
• 'See you later!'
• Ciao cousin
• Parting word, somewhere
• 'I'm history!'
• Ciao, in Chartres
• Farewell, to 10-Across
• 'See you 'round'
• After a bit
• Baja 'bye'
• It's usually bid