Noun

1. 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
2. A vast multitude
3. An animal or plant that nourishes and supports a parasite; it does not benefit and is often harmed by the association
4. A person who acts as host at formal occasions (makes an introductory speech and introduces other speakers)
5. Archaic terms for army
6. Any organization that provides resources and facilities for a function or event
7. (medicine) recipient of transplanted tissue or organ from a donor
8. The owner or manager of an inn
9. A technical name for the bread used in the service of mass or holy communion
10. (computer science) a computer that provides client stations with access to files and printers as shared resources to a computer network

Verb

1. Be the host of or for