cross-breeding

/K R AO1 S B R IY0 D IH0 NG/
verb
  1. 1

    To breed separate strains of the same species in order to create new traits.

  2. 2

    To breed members of similar albeit distinct species, for example, horse X donkey = mule

noun
  1. 1

    A type or instance of breeding separate strains of the same species in order to create new traits.

  2. 2

    A type or instance of breeding members of similar albeit distinct species. i.e. horse + donkey = mule

Source: https://en.wiktionary.org/wiki/cross-breed, https://en.wiktionary.org/wiki/cross-breeding