Web farm - Computer Definition
(1) A group of computer systems and Web server software that collectively provide the Web page delivery mechanism in a company either for internal use (intranet) and/or for the public Internet. It is a server farm made up of Web servers (HTTP servers). See server farm.
(2) A group of Web servers that are controlled locally, but centrally managed. Each website is administered by its own Webmaster; however, centralized monitoring provides load balancing and fault tolerance. See server farm.