Meaning : Make an entrance by turning from a road.
Example :
Turn in after you see the gate.
Meaning : Carry out (performances).
Example :
They turned in a splendid effort.
They turned in top jobs for the second straight game.
Synonyms : put on
Meaning : Prepare for sleep.
Example :
I usually turn in at midnight.
He goes to bed at the crack of dawn.
Synonyms : bed, crawl in, go to bed, go to sleep, hit the hay, hit the sack, kip down, retire, sack out