Related Clues:

• Like Columbus, often
• Using clippers
• Steaming along, maybe
• Not on solid ground
• On deck, say
• Traversing the deep
• On the Coral
• Trawling, e.g.
• Crossing the Atlantic, perhaps
• On a cruise ship, say
• Where bluejackets go
• Out on the waves
• Drifting, maybe
• Between continents, perhaps
• On a liner, e.g.