递回 Traditional form: 遞迴 Pinyin (reading): dìhuí Definitions: see 遞歸/递归 (dìguī) Characters: 递 - to deliver, to hand over; substitute 回 - to return, to turn around; a time Traditional characters: 遞 - to deliver, to hand over; substitute 迴 - to rotate, to revolve; curve, zig-zag