portal

noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about portal at Wordnik → Where our words come from →

1. A grand and imposing entrance (often extended metaphorically).

   the portals of the cathedral

2. A site that the owner positions as an entrance to other sites on the internet.

   a portal typically has search engines and free email and chat rooms etc.

3. A short vein that carries blood into the liver.