Definition of "high seas" []

• The open waters of an ocean or a sea beyond the limits of the territorial jurisdiction of a country: piracy on the high seas. (noun-plural)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "When U-1 completed her sea trials in 1907, she was pronounced satisfactory for coastal operations, but it was warned that “her employment on the high seas is attended with danger.”"
• "Varner was convicted in March of 1865 of blockade-running and dereliction of duty on the high seas when his ship, the cargo vessel Feronia, foundered off the coast near Swampscott."
• "The 29th Division was on the high seas aboard twenty-two troopships and would not arrive until the first week of April."