Related Clues:

• In NYC, Madison or Lexington
• ''Ta-ta!''
• N.Y.C.'s Park, e.g.
• Hello or goodbye
• ''See ya''
• 'Ta-ta'
• 'I'm outta here!'
• Venetian farewell
• Fifth is one
• Word of welcome
• Street sign abbr.
• Monopoly space: Abbr.
• Hadrian's ''Hail!''
• Overseas greeting or farewell
• Whittles down