(sub´´dō-mān´)
(n.) Also called a
child domain, a
domain that is part of a larger
domain name in
DNS hierarchy. DNS hierarchy consists of the root-level domain at the top, underneath which are the
top-level domains, followed by second-level domains and finally subdomains. For example, in the domain name
webopedia.internet.com, "webopedia" is a subdomain of the larger second-level domain "internet.com."
