Popular Kanji “Umi” – The sea written in Japanese Kanji 投稿者: japanese-kanjisymbols 投稿日: 2011/01/172011/03/10 I wrote “Umi”. It means “the sea” and “an ocean” in English. Japan is the island country surrounded by the sea. There are many words about the sea. What is your favorite word about sea? I’m waiting for a request.