Related Clues:

• Hadrian's "hi"
• Ice dam site
• Prayer opener
• Caesar's hail
• '__ Maria'
• Roman hello
• Fifth, for one
• Hadrian's hail
• GPS display
• Gladiator's greeting
• Park, e.g., in N.Y.C.
• Outdoor holiday decoration site
• Roman salutation
• Fifth in NYC
• Mantel, for example