Related Clues:

• N.Y.C.'s ___ of the Americas
• Blvd.
• 'Later'
• ___ Maria
• Ancient greeting
• See 25-Across
• ST
• 'So long!'
• 'See ya'
• Forum greeting
• Greeting for Galba
• Pennsylvania ___
• 'Ta-ta!'
• Fifth, e.g.: Abbr.
• Monopoly abbr.