: one that routs: such as
a
: a routing plane
b
: a machine with a revolving vertical spindle and cutter for milling out the surface of wood or metal
: one that routes
especially : a device that mediates the transmission routes of data packets over an electronic communications network (such as the Internet)
: a horse trained for distance races

Examples of router 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.
Noun
Their experiments used three independent quantum routers and a two-layer network to examine how the approach performs on existing hardware. Atharva Gosavi, Interesting Engineering, 3 Sep. 2026 Described as a colocation facility, Equinix provides data center space for over 10,500 customers, offering space, power, cooling and security for companies that need a place to house their servers, routers and storage systems. Isabel O'Brien,katie Tarasov, CNBC, 2 Sep. 2026 The administrator password controls important router settings and should be different from the Wi-Fi password. Kurt Knutsson, FOXNews.com, 1 Sep. 2026 These malicious apps can be surreptitiously installed by remote attackers even when the devices are positioned behind a router. Dan Goodin, ArsTechnica, 31 Aug. 2026 See All Example Sentences for router

Word History

Etymology

Noun (1)

rout entry 4 + -er entry 2

Noun (2)

route entry 2 + -er entry 2

Noun (3)

route entry 1 (in sense "race of a mile or more") + -er entry 2

First Known Use

Noun (1)

1818, in the meaning defined above

Noun (2)

1903, in the meaning defined above

Noun (3)

circa 1951, in the meaning defined above

Time Traveler
The first known use of router was in 1818

Browse Nearby Words

Cite this Entry

“Router.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/router. Accessed 6 Sep. 2026.

Kids Definition

router

1 of 2 noun
: a machine for cutting out the surface of wood or metal

router

2 of 2 noun
: one that routes
especially : a device that sends data from one place to another within a computer network or between computer networks

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