Save Gender Masculine Usage Japanese Scripts 忠蔵, 忠三, etc.(Japanese Kanji) Pronounced Pron. CHOO-ZO [key] Meaning & History Possibly from 忠 (chuu, tada, tadashi) meaning "loyalty" and 蔵 (zo) meaning "to hide" or 三 (zou, mi, mitsu) meaning "three". Other kanji combinations can be used instead.