An organism bearing certain genetic material, with respect to its cells.
One that provides a facility for an event.
The consecrated bread of the Eucharist.
A cell or organism which harbors another organism or biological entity, usually a parasite.
A moderator or master of ceremonies for a performance.
A large number of items; a large inventory.
Any computer attached to a network.
One which receives or entertains a guest, socially, commercially, or officially.
A paid male companion offering conversation and in some cases sex, as in certain types of bar in Japan.
A person or organization responsible for running an event.
A multitude of people arrayed as an army; used also in religious senses, as: Heavenly host (of angels)
To perform the role of a host.
To run software made available to a remote user or process.
A subdivision of a species in other scientific disciplines.
A taxon at that rank, often indicated with trinomial nomenclature (such as Felis silvestris silvestris in zoology and Pinus nigra subsp. salzmannii in botany).
A rank in the classification of organisms, below species.