Definition of high seas
- The ship was attacked on the high seas.
: rising or extending upward a great distance : taller than average, usual, or expected
: having a specified height or elevation : tall
: situated or passing above the normal level, surface, base of measurement, or elevation
: at or to a high place, altitude, level, or degree
: well, luxuriously
: an elevated place or region: such as
: hill, knoll
: the space overhead : sky
: a great body of salt water that covers much of the earth
: a body of salt water of second rank more or less landlocked
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