1
general::
Phrase(s): mate with someone
to marry with someone, and presumably, to copulate with someone. • Did you meet anyone you would like to mate with and spend the rest of your life with?, Phrase(s): mate someone with someone [and] mate an animal with some other animal
to pair or breed people or animals. • The king sought to mate his daughter with the son of a magician. • Harry wanted to mate his guppies with June’s guppies., Phrase(s): mate with
an animal [for an animal] to copulate with its own kind. • The gander mated with the goose in the barnyard. • The coyote acted as if it wanted to mate with the dog.
McGrawhill's American Idioms And Phrasal Verbs