router

noun (1)
rout·​er | \ˈrau̇-tər \

Definition of router 

(Entry 1 of 3)

: 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

router

noun (2)
rout·​er | \ˈrü-tər, ˈrau̇-\

Definition of router (Entry 2 of 3)

: one that routes especially : a device that mediates the transmission routes of data packets over an electronic communications network (such as the Internet)

router

noun (3)
rout·​er | \ˈrü-tər, ˈrau̇-\

Definition of router (Entry 3 of 3)

: a horse trained for distance races

First Known Use of router

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

History and Etymology for router

Noun (1)

rout entry 3 + -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

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The first known use of router was in 1818

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