Definition from Wiktionary, the free dictionary
Alternative forms 
U-turn (plural U-turns)
- (literally) A turn in a vehicle carried out by driving in a semicircle in order to travel in the opposite direction.
- (figuratively) A reversal of policy; a volte-face, a backflip
- The government have done a U-turn and are now supporting greater European integration instead of opposing it.
Usage notes 
- Often used in the phrases do a U-turn or make a U-turn.
- uey (Australian & US, colloquial), U-ie (Australian & US, colloquial), Uwey (Australian & US, colloquial),
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