拖雷 Traditional form: 拖雷 Pinyin (reading): Tuōléi Definitions: Tolui (1193-1232), fourth son of Genghis Khan Characters: 拖 - to drag, to haul, to tow; to delay 雷 - thunder; surname Traditional characters: 拖 - to drag, to haul, to tow; to delay 雷 - thunder; surname