- (nautical) Regions of the ocean that are far from shore, especially those regions that do not belong to any country.
2013 June 8, “The new masters and commanders”, in The Economist, volume 407, number 8839, page 52:
- From the ground, Colombo’s port does not look like much. . . . For mariners leaving the port after lonely nights on the high seas, the delights of the B52 Night Club and Stallion Pub lie a stumble away.
- Usually used in the plural form, although examples of the singular form can be found, as in:
- Often used in the phrase on the high seas.
regions of ocean far from shore