Search gender: all male female 脈 Japanese Girl Names Variations. 1 names found. gender: all male female Name: mio Katakana: ミオ 0 Kanji: 水脈 Meaning: 水Water. Something liquid. Sea, river, swamp, lake, spring, etc. To work with water. To moisten. To soak in. 脈Pulse You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 脈 Japanese Girl Names Variations.