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portal

1 American  
[pawr-tl, pohr-] / ˈpɔr tl, ˈpoʊr- /

noun

  1. a door, gate, or entrance, especially one of imposing appearance, as to a palace.

    Synonyms:
    threshold, entry, doorway, entranceway
  2. an iron or steel bent for bracing a framed structure, having curved braces between the vertical members and a horizontal member at the top.

  3. an entrance to a tunnel or mine.

  4. Computers. a website that functions as an entry point to the internet, as by providing useful content and linking to various sites and features on the World Wide Web.


portal 2 American  
[pawr-tl, pohr-] / ˈpɔr tl, ˈpoʊr- /

adjective

  1. noting or pertaining to the transverse fissure of the liver.


noun

  1. portal vein.

portal British  
/ ˈpɔːtəl /

noun

  1. an entrance, gateway, or doorway, esp one that is large and impressive

  2. any entrance or access to a place

  3. computing an internet site providing links to other sites

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. anatomy

    1. of or relating to a portal vein

      hepatic portal system

    2. of or relating to a porta

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
portal Cultural  
  1. A Web site that provides a gateway to other Web sites.


Other Word Forms

Etymology

Origin of portal1

First recorded in 1300–50; Middle English portale, from Medieval Latin, noun use of neuter of portālis “of a gate.” See portal 2

Origin of portal2

First recorded in 1605–15, portal is from the Medieval Latin word portālis of a gate. See port 4, -al 1

Explanation

A portal is a large and imposing gate or doorway. You’re likely to find a portal in a castle, in a cathedral, or even on an internet site. Portal can be used to describe other types of doorways, both literal and metaphorical. For example, portal can refer to a web page that provides access to other sites on the web. If you enjoy reading science fiction or fantasy, you may be familiar with the use of the word portal to mean “a doorway to another world.” The wardrobe in C.S. Lewis’s The Lion, the Witch, and the Wardrobe functions as a portal to the land of Narnia.

Keep Reading on Vocabulary.com

Vocabulary lists containing portal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The path felt like a magical forested portal far from coastal Alabama where we lived.

From Los Angeles Times Aug. 15, 2026

According to records on the portal, Malaysia was listed as the animals' country of origin.

From BBC Aug. 13, 2026

The Gardena native could have entered the transfer portal after head coach DeShaun Foster was fired three games into the 2025 season.

From Los Angeles Times Aug. 9, 2026

The Journal reviewed Rupireddy’s tax documents, emails, WhatsApp messages and screenshots of his account portal.

From The Wall Street Journal Aug. 6, 2026

At the ledge, with an oddly wriggling, person-size bundle hoisted on his shoulder, was the stranger who’d dropped out of a sky portal that morning.

From "The Last Last-Day-of-Summer" by Lamar Giles

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