turn over

To flip over; to rotate uppermost to bottom.

“Turn over the box and look at the bottom.”

To relinquish; give back.

“They turned over the evidence to the authorities.”

To transfer.

To produce, complete, or cycle through.

“They can turn over about three hundred units per hour.”

To generate (a certain amount of money from sales).

“The business turned over £1m last year.”

To mull, ponder

To spin the crankshaft of an internal combustion engine using the starter or hand crank in an attempt to make it run.

To give up control (of the ball and thus the ability to score).

“The Giants didn't turn the ball over in their last four games.”

To cause extensive disturbance or disruption to (a room, storage place, etc.), e.g. while searching for an item, or ransacking a property.

“I've turned over the whole place, but I still can't find my glasses.”