verb (used with object), in·ter·bred, in·ter·breed·ing.
verb (used without object), in·ter·bred, in·ter·breed·ing.
Examples from the Web for interbreed
They come over to the East Coast in hordes in the autumn, mostly from Russia, where they also interbreed with the carrion crow.Through East Anglia in a Motor Car|J. E. (James Edmund) Vincent
Notwithstanding their similarity they do not interbreed when brought together.Jungle Folk|Douglas Dewar
All mankind can interbreed freely, can learn to understand the same speech, can adapt itself to co-operation.The Outline of History: Being a Plain History of Life and Mankind|Herbert George Wells
Essentially it was based upon species compatibility—on the concept that like can interbreed with like.The Lani People|J. F. Bone
The flock was allowed to wander at will and to interbreed freely.The Black Fawn|James Arthur Kjelgaard