host

³host

noun

Definition of HOST

1

a : one that receives or entertains guests socially, commercially, or officially b : one that provides facilities for an event or function <our college served as host for the basketball tournament>

2

a : a living animal or plant on or in which a parasite lives b : the larger, stronger, or dominant member of a commensal or symbiotic pair c : an individual into which a tissue, part, or embryo is transplanted from another

3

: a mineral or rock that is older than the minerals or rocks in it; also : a substance that contains a usually small amount of another substance incorporated in its structure

4

: a radio or television emcee

5

: a computer that controls communications in a network or that administers a database; also : server 6

Origin of HOST

Middle English hoste host, guest, from Anglo-French, from Latin hospit-, hospes, probably from hostis

First Known Use: 14th century

Other Mineralogy Terms

agate, inclusion, matrix, streak