Main Entry: host

Pronunciation: \ˈhōst\

Function: noun

1 : a living animal or plant on or in which a parasite lives—see definitive host, intermediate host
2 : the larger, stronger, or dominant one of a commensal or symbiotic pair
3 a : an individual into which a tissue or part is transplanted from another b : an individual in whom an abnormal growth (as a cancer) is proliferating