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English definition of “portal”

portal

noun [C]

portal noun [C] (BUILDING)

   /ˈpɔr·təl, ˈpoʊr-/ fml a large and often highly decorated entrance to a building: We entered the side portal of the cathedral.

portal noun [C] (INTERNET)

   /ˈpɔr·təl, ˈpoʊr-/ a page on the World Wide Web that users can change so it shows information they want to see: The portal lets you access specific information from anywhere in the site.
(Definition of portal from the Cambridge Academic Content Dictionary © Cambridge University Press)
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