n.
Function: noun
Etymology: Middle English hoste host, guest, from Anglo-French, from Latin hospit-, hospes, probably from hostis
Date: 14th century
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