Search gender: all male female Kuu Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: kuu Katakana: クウウ 0 Kanji: 空羽 Meaning: 空Sky. Atmosphere. Heaven. Big. Wide. Empty. No substance. Meaningless. Useless. In Buddhism, something without substance or essence. A thing related to aviation. 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 For Japanese Names > Kuu Girl Name Meaning, Kanji Variations.