Host

From Biology-Online Dictionary | Biology-Online Dictionary

Host

An organism that is infected with or is fed upon by a parasitic or pathogenic organism (for example, a virus, nematode, fungus). The term can also be applied, loosely, to a plant supporting an epiphyte. An animal or plant that nourishes and supports a parasite; the host does not benefit and is often harmed by the association.(medicine) recipient of transplanted tissue or organ from a donor.An organism that a parasite is situated within.