wave down
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wave down
vb
(Automotive Engineering) (tr, adverb) to signal with a wave to (a driver or vehicle) to stop
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014