Search gender: all male female ウチ Japanese Boy Names Variations. 1 names found. gender: all male female Name: uchi Katakana: ウチ 0 Kanji: 羽智 Meaning: 羽Feathers. Insect wings. Wings. A word for counting birds and rabbits. 智Smart. Wisdom. To understand things. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ウチ Japanese Boy Names Variations.