What is the meaning of Half-breed?

A person of mixed racial parentage or ancestry, especially one of mixed white and American Indian parentage (metis, métis, Metis, Métis; mestizo).

A hybrid animal or plant.

Having dual heritage; having mixed racial parentage or ancestry.

Hybridized; having one purebred parent; descended from parents of different breeds or with different traits.

Source: wiktionary.org