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.
Definition for mud-flap (2 of 2)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for mud-flap
/ (ˈmʌdˌɡɑːd) /
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
Online Etymology Dictionary, © 2010 Douglas Harper