host

• Noun

  1. One which receives or entertains a guest, socially, commercially, or officially.
  2. One that provides a facility for an event.
  3. A person or organization responsible for running an event.
  4. A moderator or master of ceremonies for a performance.
  5. Any computer attached to a network.
  6. A cell or organism which harbors another organism or biological entity, usually a parasite.
  7. An organism bearing certain genetic material, with respect to its cells.
  8. A paid male companion offering conversation and in some cases sex, as in certain types of bar in Japan.

• Verb