Related Clues:

• Volcanic discharge
• Verse form
• Grey shade
• Black layer found in Morbier cheese
• Cloud from some volcanos
• Fire powder
• Gray wrote one in a country churchyard
• Blue Jays' head honcho Gord
• Butt bit
• Gray spray
• Fireplace bit
• Camp residue
• Mournful song
• Grate fill
• Cheroot residue