1.
sea, ocean
A large body of salt water. In Japanese, 海 is used for both 'sea' and 'ocean' in everyday contexts.
Sea water is salty, so please don't drink it. If you're thirsty, I brought water.
海 is a fundamental nature word used for both "sea" and "ocean" in everyday Japanese.
Usage
In English, "sea" and "ocean" have different meanings, but 海 covers both. For technical distinctions, 大洋 means "ocean."
Common expressions
Related words
Cultural note
海 and 山 (mountain) together represent Japan's iconic landscapes. The phrase 海か山か (sea or mountains?) is a common question about vacation preferences.
Related Words
See also:
山
See also:
泳ぐ
Antonym:
陸 (land)
Compare:
湾 (bay, gulf)
Related:
海洋 (ocean (formal/scientific))
Related:
太平洋 (Pacific Ocean)
Related:
川 (river, stream)
Compare:
大洋 (ocean)