Search gender: all male female ウミワ Japanese Girl Names Variations. 1 names found. gender: all male female Name: umiwa Katakana: ウミワ 0 Kanji: 海羽 Meaning: 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. 羽Feathers. Insect wings. Wings. A word for counting birds and rabbits. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ウミワ Japanese Girl Names Variations.