Related Clues:

• Stadium with a roof
• Oft-retractable stadium feature
• Curved roof
• Fuller claim to fame
• Rotunda top
• Planetarium part
• Bell Biv DeVoe smash
• "Bio" attachment
• Bald head, in slang
• Igloo's shape
• Royal Albert Hall topper
• Capitol capper
• Observatory topper
• Stadium feature, sometimes
• Fuller's geodesic creation