host

host

noun \ˈhōst\

Definition of HOST

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