Related Clues:
- Blow to maintain constant pressure round chimney
- Thick piece of stone
- Large piece of chocolate
- Large piece (of chocolate, stone, etc)
- Semi-liquid lump
- Viscous lump left in trap
- Flat mass of stone
- Piece of marble
- Chunk of cement, say
- Gunky lump
- Saint left some cake
- Part of problematic lumpy cluster
- Compact group
- A compact mass
- Large slice of cake