Related Clues:
- They come out in the rain
- Rounded roofs
- Infield coverings
- Kremlin toppers
- Rain checks?
- Infield covers
- Painters' protection
- Baseball field covers
- Buckminster Fuller structures
- Hemispherical roofs
- Does be about to be grand in the overheads
- Protective covers
- Waterproof canvases
- Some vaults
- Tops of some stadiums