host

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.

The primary member of a system, typically the member who fronts most often.

Any computer attached to a network.Internet

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.

An organism bearing certain genetic material, with respect to its cells.

• 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.

To perform the role of a host.

• Our company will host the annual conference this year.
• I was terrible at hosting that show.

To lodge at an inn.intransitiveobsolete

• Where you shall host.

To run software made available to a remote user or process.Internet

• Kremvax hosts a variety of services.

A multitude of people arrayed as an army; used also in religious senses, as: Heavenly host (of angels)

• Why, Plugson, even thy own host is all in mutiny: Cotton is conquered; but the ‘bare backs’ — are worse covered than ever!
• All about the hosts of Mordor raged.

A large number of items; a large inventory.

• The dealer stocks a host of parts for my Model A.
• There are a host of reasons for this decision.

The consecrated bread of the Eucharist.

• Do you pray to the Holy Ghost when you suck your host? / Do you read who's dead in the Irish Post?