Search gender: all male female 広海 Japanese Girl Names Variations. 1 names found. gender: all male female Name: hiromi Katakana: ヒロミ 2 Kanji: 広海 Meaning: 広Large. To have a large area or space. To spread out. Width of east and west. 海Sea. Wide and large. A place where many people and things gather. A large lake or pond. A large lake or pond. A frontier. The end of the earth. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 広海 Japanese Girl Names Variations.