Definition of "turn in" [turn in]

To submit something; to give (verb)
To relinquish; give up; to tell on someone to the authorities (especially to turn someone in) (verb)
To go to sleep; retire to bed (verb)
To convert a goal using a turning motion of the body. (verb)

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Use "turn in" in a sentence

"I only have to turn in a few essays and reports, and I can use the Springdale College library."
"At the Bank of San Paolo, where the road split, we took the left fork, away from downtown, away from the lake, made the hairpin turn in front of Pizzeria Lugano, then started to climb the switchback road that led, if you followed it farther than we would on that night, across the border and into Switzerland."
"By this time, sirens were heard in the distance, as Pat White had managed to turn in the alarm."

Words like "turn in"