portal

n. gateway, entrance, arch, doorway; (Internet) web site that serves as gateway to the Internet, anchor site (e.g., Yahoo, Excite, HotBot, etc.)

Portal may refer to:Portal (architecture), gate, or doorPortal (fiction) a thing used to transfer from one place to another.
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Portal /por·tal/ 1. porta. 2. pertaining to a porta, especially the porta hepatis. por·tal adj. 1. Of or relating to a porta or hilum. 2. [more]Portal - Community and Resources

Noun
1. a grand and imposing entrance (often extended metaphorically); "the portals of the cathedral"; "the portals of heaven"; "the portals of success"
(hypernym) entrance, entranceway, entryway, entry, entree
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."
(synonym) portal site
(hypernym) web site, internet site, site
3. a short vein that carries blood into the liver
(synonym) portal vein, hepatic portal vein, vena portae
(hypernym) vein, vena, venous blood vessel
(part-holonym) portal system

n. portal, gate, door; grand entryway, elegant entrance; opening, entrance