Related Clues:

• Staked barrier
• Ship's officer, briefly?
• Two-masted ship; gaol
• Enclosure built at docks out east
• Conventional support to listener is a barrier
• Square-rigged ship
• Where the stakes are raised to give better protection
• Ship's senior officer
• ... king boards large vessel
• Fortified enclosure
• Vessel with second-class set of sails
• Crew can start to build equipment
• Wooden enclosure
• What sounds like a fair place for a vessel
• Supply vocal support for barrier