Related Clues:

• Elastic wood
• Grate expectation?
• Fire waste
• Eruption evidence
• A smoker may flick it off
• Barbecue by-product
• Campout fallout
• Holy Wednesday forehead marker
• It buried Herculaneum
• Like a burnt-out briquette
• Butt remains
• Common tree
• Dusty remnant
• Hardly healthy-looking
• Eyjafjallajökull output