turn in

turn in (third-person singular simple present turns in, present participle turning in, simple past and past participle turned in)

1. (transitive, idiomatic) to submit something; to give

   He turned in his paperwork to the main office.

2. (transitive, idiomatic) to relinquish; give up; to tell on someone to the authorities (especially to turn someone in)

   The thief finally turned himself in at the police station.

   He turned his brother-in-law in for seeing him assault a customer.

   My nosey next door neighbor turned me in for building my garage without a permit.

3. (intransitive, idiomatic) to go to sleep; retire to bed

   I'm tired, so I think I'll turn in early tonight.

4. (soccer) To convert a goal using a turning motion of the body.
   • 2011 January 18, Daniel Taylor, “Manchester City 4 Leicester City 2”, in Guardian Online‎:

     At that point Leicester were playing with drive and ambition but they were undone by two goals in three minutes. First, Vieira turned in a rebound after the defender Souleymane Bamba had blocked David Silva's shot on the line.

• (submit, give): hand in; See also Thesaurus:give
• (relinquish): capitulate, submit; See also Thesaurus:surrender
• (tell on someone to the authorities): inform, grass up, snitch; See also Thesaurus:rat out
• (retire to bed): hit the sack, retire; See also Thesaurus:go to bed
• (convert a goal):

• turn
• turn into
• turn over

• in turn, in-turn, inturn