Save Gender Masculine Usage Japanese Scripts 大臣, 博臣(Japanese Kanji) Pronounced Pron. KHEE-RO-MEE [key] Meaning & History From Japanese 大 (hiro, o) meaning "big, great" or 博 (hiro) meaning "command, esteem" combined with 臣 (omi) meaning “vassal, subject”. Other kanji are possible.