Definition of "portal" []

• A doorway, entrance, or gate, especially one that is large and imposing. (noun)
• An entrance or a means of entrance: the local library, a portal of knowledge. (noun)
• The portal vein. (noun)
• A website considered as an entry point to other websites, often by being or providing access to a search engine. (noun)
• Of or relating to the portal vein or the portal system. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "“I believe this portal is a positive step in that direction,” he said."
• "I was respon - sible for getting them away from CRTs, for getting into really interactive EEG programming -- what they call portal programming nowadays."
• "A platform which supports flexibility in regards to content manageability and its user friendly and user attracting display immensely increases what I call the portal sexiness factor."