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English definition of “host”

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host

noun
 
 
/həʊst/
[C or U] a country, city, or organization that provides buildings, services, etc. for an event: host to sth The prime minister will be playing host to the world's leaders over the next couple of weeks.host for sth Her role is to encourage investment in the city and promote its use as a host for international events.
[C] INTERNET, IT a company that provides the computer equipment and software necessary for a website to be available on the internet: When choosing a host, look for one that doesn’t charge extra for you to set up email addresses. a web/internet host →  See also DHCP
[C] COMMUNICATIONS a person who introduces guests and performers, especially on television or radio: NBC hired him as the host of a late-night variety show. a radio/talk show/TV host
(Definition of host noun from the Cambridge Business English Dictionary © Cambridge University Press)
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