Save Gender Feminine & Masculine Usage Japanese Scripts りゅつき(Japanese Hiragana) 琉月, 流月, 龍月, 竜月, etc.(Japanese Kanji) Pronounced Pron. RYOO-TSOO-KEE [key] Meaning & History Ryu means 竜 (ryu) meaning "dragon" and 月 (tsuki) meaning "moon, month". Other kanji combinations can be used.