host

(noun) a person who invites guests to a social event (such as a party in his or her own home) and who is responsible for them while they are there.

(noun) a vast multitude. Synonyms: horde, legion.

(noun) an animal or plant that nourishes and supports a parasite; it does not benefit and is often harmed by the association.

(noun) a person who acts as host at formal occasions (makes an introductory speech and introduces other speakers). Synonyms: master of ceremonies, emcee.

(noun) archaic terms for army. Synonyms: legion.

(noun) any organization that provides resources and facilities for a function or event. Example: "Atlanta was chosen to be host for the olympic games."

(noun) (medicine) recipient of transplanted tissue or organ from a donor.

(noun) the owner or manager of an inn. Synonyms: innkeeper, boniface.

(noun) a technical name for the bread used in the service of Mass or Holy Communion. Synonyms: Host.

(noun) (computer science) a computer that provides client stations with access to files and printers as shared resources to a computer network. Synonyms: server.

(verb) be the host of or for. Example: "We hosted 4 couples last night."