From Longman Dictionary of Contemporary Englishinterbreedin‧ter‧breed /ˌɪntəˈbriːd $ -ər-/ verb (past tense and past participle interbred /-ˈbred/) [intransitive + with, transitive] HBAto produce young animals from parents of different breeds or groups → crossbreed, inbreeding→ See Verb table
Examples from the Corpus
interbreed• Did they trade, make war, interbreed?• Fish of different shape are already reluctant to interbreed.• There, he said, many animals interbred and created monsters.• Although they can be prevailed upon to interbreed in captivity, they never do so in the wild.• Of the few species that do have the opportunity to interbreed, none do so frequently.• Theoretically, as we have seen, a species is a form which can not interbreed successfully with any other.• Gray moths still could interbreed with black moths, proving that they belonged to the same species.• Varieties and eventually species would be formed despite any tendency for interbreeding with the main body of the population in the centre. 