high sea: Meaning and Definition of
high' sea'
- the sea or ocean beyond the three-mile limit or territorial waters of a country.
- Usually,
- the open, unenclosed waters of any sea or ocean; common highway.
- Law.the area within which transactions are subject to court of admiralty jurisdiction.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.