Medical Dictionary
host
noun \ˈhōst\
Medical 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
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