host

/həʊst/

One which receives or entertains a guest, socially, commercially, or officially.

A good host is always considerate of the guest’s needs.

One that provides a facility for an event.

A person or organization responsible for running an event.

Our company is host of the annual conference this year.

A moderator or master of ceremonies for a performance.

The host was terrible, but the acts themselves were good.

Any computer attached to a network.

A cell or organism which harbors another organism or biological entity, usually a parasite.

Viruses depend on the host that they infect in order to be able to reproduce.

(evolution) An organism bearing certain genetic material.

The so-called junk DNA is known, so far, to provide no apparent benefit to its host.

A paid male companion offering conversation and in some cases sex, as in certain types of bar in Japan.