Pronunciation: ( —v.out"krôs', -kros'; —n.out'krôs", -kros"),[key] —v.t. 1. to cross (animals or plants) by breeding individuals of different strains but, usually, of the same breed.
2. to produce (a hybrid) by this method.
—n. 1. a hybrid animal or plant so produced.
2. an act of outcrossing.