[n] an animal or plant that nourishes and supports a parasite; the host does not benefit and is often harmed by the association
[n] (computer science) a computer that provides client stations with access to files and printers as shared resources to a computer network
[n] a technical name for the bread used in the service of Mass or Holy Communion
[n] a vast multitude
[n] archaic terms for army
[n] any organization that provides resources and facilities for a function or event; "Atlanta was chosen to be host for the Olympic Games"
[n] the owner or manager of an inn
[n] 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
[n] (medicine) recipient of transplanted tissue or organ from a donor
[n] a person who acts as host at formal occasions (makes an introductory speech and introduces other speakers)
[v] be the host of or for; "We hosted 4 couples last night"