Definition of Host Host: 1. The organism from which a parasite obtains its nutrition and/or shelter. 2. An organism or cell culture in which a virus can replicate itself. 3. The transplant recipient of a tissue or organ graft.
Host: 1. The organism from which a parasite obtains its nutrition and/or shelter. 2. An organism or cell culture in which a virus can replicate itself. 3. The transplant recipient of a tissue or organ graft.
