noun
1.
a turn of 180° that a vehicle makes so that it can move forwards in the opposite direction :
to do / make a U-turn
2.
( informal ) a complete change in policy or behaviour, usually one that is embarrassing
noun
1.
a turn of 180° that a vehicle makes so that it can move forwards in the opposite direction :
to do / make a U-turn
2.
( informal ) a complete change in policy or behaviour, usually one that is embarrassing
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005