Domain name
Identifying title given to a system of computers. For example, on the Internet a domain name is assigned to an IP address making it easier to remember and find, computerhope.com is a lot easier to remember than 69.72.169.241. A domain name can be a maximum of sixty-three characters and a minimum of 1 character. The first Internet domain name "symbolics.com" is registered by Symbolics, a Massachusetts computer company on March 15, 1985.
Also see: Domain namespace, Domain suffixes, Hostname, InterNIC, Network definitions