Related Clues:

• Salt's "Halt!"
• Call at sea
• Captain's 'Halt!'
• Police warning
• Nautical hail
• ''Hey, sailor!''
• Sleep interrupter, at times
• "Hello, sailor!"
• ''Stop!'' in piratespeak
• Lorelei was one
• Nautical yell
• Shout from the bridge
• Call from the crow's nest
• Port stopper
• 'Ship --!'