1. (verb)turn in make an entrance by turning from a road "Turn in after you see the gate"
2. (verb)hand over, fork over, fork out, fork up, turn in, deliver, render to surrender someone or something to another "the guard delivered the criminal to the police"; "render up the prisoners"; "render the town to the enemy"; "fork over the money"
3. (verb)put on, turn in carry out (performances) "They turned in a splendid effort"; "They turned in top jobs for the second straight game"
4. (verb)go to bed, turn in, bed, crawl in, kip down, hit the hay, hit the sack, sack out, go to sleep, retire prepare for sleep "I usually turn in at midnight"; "He goes to bed at the crack of dawn"
1. (verb)turn in to give sth you have worked on to sb in authority to look at Applications must be turned in by May 15th.; Turn your homework in at the desk.
2. turn in to give sth back when you have finished using it Please turn in your room key at the front desk.
3. turn in to tell the authorities about sb who has done sth wrong The Senator's bank turned him in to the police.
Definitions of turn in 
Afrikaans: inhandig, oorhandig
Arabic: يُسَلِّم إلى الشُّرْطَه
Bulgarian: предавам
Brazilian: entregar
Czech: vydat, udat
German: übergeben
Danish: aflevere
Greek: παραδίδω
Spanish: entregar
Estonian: üle andma
Farsi: تحویل دادن
Finnish: luovuttaa viranomaisille
French: livrer
Hebrew: לְהַסגִיר
Hindi: सौंपना, देना
Croatian: predati, izdati
Hungarian: átad
Indonesian: menyerahkan
Icelandic: afhenda; gefa sig fram
Italian: consegnare
Japanese: 引渡す
Korean: 넘겨주다
Lithuanian: perduoti
Latvian: nodot (kādam)
Malay: menyerahkan sso
Dutch: overleveren
Norwegian: levere inn, angi; bringe 
Polish: oddać w ręce, wydać
Persian: تحویل دادن
Pashto: تحویلی ورکول
Portuguese: entregar
Romanian: a denunţa; a preda
Russian: сдавать
Slovak: vydať, udať
Slovenian: izročiti
Serbian: predati
Swedish: ange,överlämna
Thai: ส่ง
Turkish: teslim etmek
Taiwanese: 上繳
Ukrainian: повертати, віддавати
Urdu: تفويض کرنا، سپرد کرنا
Vietnamese: giao
Chinese: 上缴
