intranet

[in-truh-net] /ˈɪn trəˌnɛt/
noun
1.
a computer network with restricted access, as within a company, that uses software and protocols developed for the Internet.
Origin
1995-2000
Can be confused
Internet, intranet.
British Dictionary definitions for intranets

intranet

/ˈɪntrəˌnɛt/
noun
1.
(computing) an internal network that makes use of internet technology
Word Origin
C20: from intra- + net1 (sense 8), modelled on internet
intranets in Science
intranet
  (ĭn'trə-nět')   
A privately maintained computer network that only authorized persons can access. Many corporations and institutions, for example, communicate with employees or members through the use of a private intranet.