a curved part of a motorcycle, bicycle, etc, attached above the wheels to reduce the amount of water or mud thrown up by them
US and Canadian name: fender
splash guard in American English
US
a flap hung behind a wheel of a motor vehicle to stop water, stones, etc. from splashing the vehicle body
splash guard in American English
noun
a large flap behind a rear tire to prevent mud, water, etc., from being splashed on the following vehicle
Also called: mudguard, mud flap
Word origin
[1925–30]This word is first recorded in the period 1925–30. Other words that entered Englishat around the same time include: decibel, distinctive feature, gimmick, hot spot, reflex camera