U-turn (yo?o?tûrn?)n. A turn, as by a vehicle, completely reversing the direction of travel.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.U-turn n 1. a turn made by a vehicle in the shape of a U, resulting in a reversal of direction 2. a complete change in direction of political or other policy Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014U-turn (?yu?t?rn) 1. a U-shaped turn made by a vehicle so as to head in the opposite direction. 2. a reversal of policy, tactics, etc. [1925?30] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.U-turn (?ju? t??n) , ((American) ?ju? ?t??rn) nounsee u. Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.