judder bar
n (Automotive Engineering) NZ a bump built across roads, esp in housing estates, to reduce speeding. Also called: ramp or sleeping policeman (chiefly Brit)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014