1. (noun) a site that the owner positions as an entrance to other sites on the internet

• portal site

2. (noun) a short vein that carries blood into the liver

• hepatic portal vein
• portal vein
• vena portae

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

• entrance
• entranceway
• entree
• entry
• entryway

2. (noun) a site that the owner positions as an entrance to other sites on the internet

• internet site
• site
• web site
• website

3. (noun) a short vein that carries blood into the liver

• vein
• vena
• venous blood vessel