Pronunciation: (yOO'tûrn"), [key]
1. a U-shaped turn made by a vehicle so as to head in the opposite direction from its original course.
2. a reversal of policy, tactics, or the like, resembling such a maneuver.
to execute a U-turn: to U-turn into oncoming traffic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.