to vibrate violently: an old automobile with a clutch that judders.
a state or instance of juddering.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for judder
(intr) to shake or vibrate
abnormal vibration in a mechanical system, esp due to grabbing between friction surfaces, as in the clutch of a motor vehicle
a juddering motion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012