Splashback

Full definition of splashback

(countable and uncountable; plural splashbacks)

(uncountable, countable) Splashes of liquid, especially noxious liquid, rebounding from a surface.
(countable) A shield of an easily-cleaned material, such as those placed behind an oven top, kitchen sink, and industrial facilities, construction sites etc, in order to catch splashes of liquid.''The oven comes complete with a stainless steel splashback.