Related Clues:
- Rotunda top
- Drink sealing success in dome
- Planetarium part
- Bell Biv DeVoe smash
- "Bio" attachment
- Bald head, in slang
- Igloo's shape
- Royal Albert Hall topper
- Something sparkling around high dome
- Holds tea greeting Brazilian in Rotunda
- Capitol capper
- Observatory topper
- Stadium feature, sometimes
- Fuller's geodesic creation
- Planetarium topper