Last Updated：2025/11/20

That part of the sea out of sight of land. / A sea open to all nations, i.e. not a mare clausum.

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open sea

Source Word

open sea

Noun

countable uncountable

That part of the sea out of sight of land. / A sea open to all nations, i.e. not a mare clausum.

Japanese Meaning

陸地が見えない広大な海域 / すべての国に開かれた海、すなわち公海

The small fishing boat drifted for hours in the open sea before a cargo ship spotted it.

小さな漁船は外洋で数時間漂流し、貨物船に発見されるまで助けを待っていました。

Sense（1）

That part of the sea out of sight of land.

Sense（2）

A sea open to all nations, i.e. not a mare clausum.

open seas

（ plural ）