host organism
organism that harbors another organism; organism whose resources are used by another organism then called parasite
en-GB/ˈhəʊst ˈɔːɡəˌnɪzəm/
en-US/ˈhoʊst ˈɔɹɡəˌnɪzəm/
organism that harbors another organism; organism whose resources are used by another organism then called parasite