To decide to end an activity; to call it a day.
To go to bed; to retire to bed.
To convert a goal using a turning motion of the body.
To relinquish; give up; to tell on someone to the authorities (especially to turn someone in).
To submit something; to give.
To reverse the ends of threads and insert them back into the piece being woven so they do not protrude and eventually unravel.