Related Clues:

• Hadrian's defense
• See 22 Across
• Handball playing surface
• Symphony venue
• Catering establishment
• Entrance area
• Place for a mural
• Where there may be a mess?
• Lecturer's venue
• Privacy insurer
• Mural's place
• Mural's locale
• Reception site, perhaps
• Safe place?
• Bulwark