- a board, guard, or screen to protect from splashing, as a dashboard of an open carriage or a guard placed over a wheel to intercept water, dirt, etc.: He threw his reins over the splashboard and descended to the road.
- backsplash.
- washboard (def. 3).
- a guard on a vehicle to protect people from splashing water, mud, etc
- nautical another word for washboard (def. 4b)
