splash guard


a large flap behind a rear tire to prevent mud, water, etc., from being splashed on the following vehicle.

Origin of splash guard

First recorded in 1925–30
Also called mudguard, mud flap.




Also called mud flap. splash guard.

Origin of mudguard

First recorded in 1885–90; mud + guard
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for mud-flap



a curved part of a motorcycle, bicycle, etc, attached above the wheels to reduce the amount of water or mud thrown up by themUS and Canadian name: fender
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

Word Origin and History for mud-flap

1903, from mud (n.) + flap (n.).

Online Etymology Dictionary, © 2010 Douglas Harper