noun 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.
verb 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)
noun A large number of people or things. (a host of memories rushed into her mind) An army. (in biblical use) the angels regarded collectively. (The prayers of believers here on earth are mingled with the worship of angels and archangels and all the host of heaven, in adoration of God and the Lamb.) A flock of sparrows. (there was a host of sparrows under the roof of the house)
noun The bread consecrated in the Eucharist. (the elevation of the Host)