outcross noun 2verb 1forms 3 noun2 •The introduction of unrelated breeding stock to an existing population, especially one which is inbred or homogeneous.Their two sons, Joseph I and Charles VI went still further in their pursuit of an out-cross by both marrying princesses from the Guelph house of Brunswick. — 2007 •A plant or animal produced by such methods. verb1 •to crossbreed different strains of a plant or animal. formsoutcrossed · outcrossing · outcrosses
