portal

(noun, adjective)

adjective

1. (anatomy) Of or relating to a porta, especially the porta of the liver.

- the portal vein

noun

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

- the portals of the cathedral

- the portals of heaven

- the portals of success

Definition categories: man–made, entrance, entranceway, entree, entry, entryway

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.

Definition categories: communication, site, website

3. a short vein that carries blood into the liver

Definition categories: body, vein, vena

Sentences with portal as a noun:

- The local library, a portal of knowledge.

- The new medical portal has dozens of topical categories containing links to hundreds of sites.