backspatter noun 2verb 1forms 3 noun2 •Blood that is directed backward toward the source of an impact. •Any spatter that splashes or sprays back in such a manner, such as in the course of manure management in farming. verb1 •Of a liquid or semisolid, to splash back messily toward the source upon being poured or thrown. formsbackspattered · backspattering · backspatters