a person who receives or entertains guests at home or elsewhere: the host at a theater party.
a master of ceremonies, moderator, or interviewer for a television or radio program.
a person, place, company, or the like, that provides services, resources, etc., as for a convention or sporting event: Our city would like to serve as host for the next Winter Olympics.
the landlord of an inn.
a living animal or plant from which a parasite obtains nutrition.
the recipient of a graft. Cf. donor (def. 2).
—v.t.
to be the host at (a dinner, reception, etc.): He hosted a reception for new members.
to act as host to: The vice president hosted the foreign dignitaries during their visit.
to act as master of ceremonies, moderator, or interviewer for: to host a popular talk show.