domain name

noun

: a sequence of usually alphanumeric characters (such as Merriam-Webster.com) that specifies a group of online resources (as of a particular company or person) and that forms part of the corresponding Internet addresses

Examples of domain name in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The site’s domain name is registered in the Czech Republic, and its parent company is registered in Costa Rica. Kara Fox, CNN Money, 8 May 2026 Rodriguez points to advances in domain name system security extensions (DNSSEC), which uses digital signatures based on public-key cryptography to strengthen the authentication of the domain name system. IEEE Spectrum, 6 May 2026 Yesterday, Heidecker, who will receive full access to the InfoWars brand, studio, domain names, and archive, told TIME a little about his plans for the great reclamation. Brittany Allen, Literary Hub, 29 Apr. 2026 The emails come from various addresses and domain names. James Peckham, PC Magazine, 6 Mar. 2026 See All Example Sentences for domain name

Word History

First Known Use

1982, in the meaning defined above

Time Traveler
The first known use of domain name was in 1982

Browse Nearby Words

Cite this Entry

“Domain name.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/domain%20name. Accessed 13 May. 2026.

Kids Definition

domain name

noun
: a name (as Merriam-Webster.com) that is the primary Internet address for a website
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster