Related Clues:

• Gravy vessel
• Bath toy
• It may be full of gravy
• Tug, say
• Main transport?
• Sampan, for one
• Mississippi traveler
• Lake vessel
• Dory or ferry
• Water vessel
• Word with river or whale
• Flattop, e.g.
• Tunnel of love vehicle
• Flotilla unit
• Fleet part