五ご大たい洋よう

noun

the five oceans

Refers collectively to the Pacific, Atlantic, Indian, Southern, and Arctic Oceans. Often used in geographical contexts.

• 世せ界かいの五ご大たい洋ようをすべて航こう海かいした船ふな乗のりがいる。

  There are sailors who have sailed all five oceans of the world.