noun
mudguard; mudflap
A part attached behind a vehicle's wheel to block mud and water spray. Often used for bicycles, motorcycles, and trucks. See also 泥除け (sense 2).
from English splasher
See also: 泥除け
自転車の後輪にスプラッシャーを取り付けた。
I attached a mudguard to the rear wheel of my bicycle.
The truck's mudflaps prevent mud from splashing.