[turn in] vi (1535) 1: to make an entrance by turning from a road or path
2: to go to bed "turned in early" ~ vt 1: to deliver up: hand over "turned in his badge and quit"
2. a: to inform on: betray b: to deliver to an authority "urged the wanted man to turn himself in"
3: to acquit oneself of: put on, produce "turned in a good performance"