1. a Web site that often serves as a starting point for a Web user’s session. It typically provides services such as search, directory of Web sites, news, weather, e-mail, homepage space, stock quotes, sports news, entertainment, telephone directory information, area maps, and chat or message boards.
    iab.net/resources/glossary_p.asp

 

  1. A gateway or entry point to the Internet incorporating significant functionality such as search engines, news alerts and personal preferences that enable users to access the data they want from the Web from a central point.
    www.vodafone.com/start/investor_relations/shareholder_services/faq/glossary.html

 

  1. Tool or set of tools for organized knowledge discovery that assists identification and selection of appropriate target resources; provides federated searching and information retrieval of descriptive metadata from multiple, diverse target resources, including but not limited to commercial or ...
    www.loc.gov/acq/conser/glossary.html

 

  1. A gateway to varied internet resources, eg Yahoo. Usually seen as going beyond in-house web pages, but a community portal could be based on what members want from their organisation eg online renewals, events info, advice database.
    www.volresource.org.uk/swit/webterm.htm

 

Is a website which provides a wide range of on-line services by an organisation and will normally include a large range of links to other websites, indexed by content subject and is easily searched.
www.iab.ie/FAQs/DefinitionofTerms