a person who receives or entertains other people as guests

they were always gracious hosts at the numerous dinner parties they held for friends

an animal or plant on or in which a parasite or commensal organism lives

a person or animal that has received transplanted tissue or a transplanted organ

a computer which stores a website or other data that can be accessed over the internet or which provides other services to a network

act as host at (an event) or for (a television or radio programme)

Canada was asked to host a Commonwealth conference in Ottawa

store (a website or other data) on a server or other computer so that it can be accessed over the internet

Columbia University currently hosts some 400 websites

a large number of people or things

a host of memories rushed into her mind

an army

(in biblical use) the angels regarded collectively

a flock of sparrows

there was a host of sparrows under the roof of the house

the bread consecrated in the Eucharist

the elevation of the Host