American Dictionary
Definition turn in in American English
turn in phrasal verb
phrasal verbto return something to the person it belongs to, especially something that was lost or was lent to you
Someone may have turned your briefcase in to the lost-and-found department.
to give something to the person who has officially asked for it or who is in charge
Mitro turned in his resignation to the President.
to tell the police about someone, or to take them to the police, because they have committed a crime
to produce a particular amount or degree of something
Bicknell turned in a fine all-around performance.
