(ornithology) A species utilised by a brood parasite to raise young.

(archaism, humorous) A person, such as a landlord, who receives or entertains guests.

Misspelling of mine host..

(television) Host of an opinion show.

(Christianity) The sacrilegious mistreatment or malicious use of the host (consecrated bread of the Eucharist).

(Internet) A company offering bulletproof hosting.

plural of bulletproof host

(Internet) A web hosting service that allows customers to publish all kinds of material, including spam, pornography, etc. that may be forbidden on other services.

(ecology) The host in which a parasite reproduces sexually.

plural of definitive host