Wiktionary
outcross
n. a plant or animal produced by outcrossing vb. (context transitive English) to crossbreed different strains of a plant of animal
Wikipedia
Outcross
Usage examples of "outcross".
The silvers need an outcross, anyway, to restore the vigor of the line.
And trust Marcia to talk about the stallion side of the outcross line.
These, like the cats, the rats, the mice, the fish, the birds, the crickets, and every other form of animal life, were inbred, linebred, outcrossed, shown, trained, and pampered.