Save Gender Masculine Usage Japanese Scripts 旺一郎, 欧一郎, 桜一郎, etc.(Japanese Kanji) Pronounced Pron. O:-EE-CHEE-ṘO: [key] Meaning & History From Japanese 旺 (ou) meaning "prosper", 欧 (ou) meaning "Europe" or 桜 (ou) meaning "cherry tree, cherry blossom" combined with 一 (ichi) meaning "one" combined with 郎 (rou) meaning "son". Other kanji combinations are possible.