Related Clues:

• Hornpipe dancers
• Deck hands
• Old mariners
• Fills with black gunk
• "Ghostbusters" goops
• Paving substances
• Prepares for feathering?
• Blackens the road
• Installs, as a driveway
• Salts
• Covers in goo
• Smears
• Pequod's crew, e.g.
• Adds pitch to a roof?
• Gooey substances