hand over, transfer, give up; see give 1.
*To go to bed
lie down, retire, hit the hay*, hit the sack*; see rest 1.
"turn-in." YourDictionary, n.d. Web. 24 May 2018. <http://thesaurus.yourdictionary.com/turn-in>.
turn-in. (n.d.). Retrieved May 24th, 2018, from http://thesaurus.yourdictionary.com/turn-in