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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
   - horde, legion
    
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)
   - master of ceremonies, emcee [N. Amer], MC
    
5. Any organization that provides resources and facilities for a function or event
   "Atlanta was chosen to be host for the Olympic Games"
    
6. (medicine) recipient of transplanted tissue or organ from a donor
    
7. The owner or manager of an inn
   - innkeeper, boniface [archaic]
    
8. (computing) a computer that provides client stations with access to files and printers as shared resources to a computer network
   - server
    
9. [archaic] Army
   - legion [archaic]

1. Be the host of or for
   "We hosted 4 couples last night"

1. A technical name for the bread used in the service of Mass or Holy Communion

Derived forms: hosting, hosts, hosted

Type of: adult, army, being, bread, breadstuff, computer, computing device, computing machine, concourse, data processor, electronic computer, entertain, entertainer, ground forces, grownup, information processing system, multitude, organisation [Brit], organism, organization, patron, receiver, recipient, regular army, staff of life, throng

Antonym: parasite

Part of: computer network

Encyclopedia: Host, Pennsylvania