Save Gender Masculine Usage Japanese Scripts 久莱, 九雷, etc.(Japanese Kanji) Pronounced Pron. KUU-ṘAH-EE [key] Meaning & History From Japanese 久 (ku) meaning "long time" or 九 (ku) meaning "nine" combined with 莱 (rai) meaning "goosefoot, pigweed" or 雷 (rai) meaning "thunder, lightning bolt". Other kanji combinations are possible.