From Longman Dictionary of Contemporary Englishrouterrout‧er /ˈruːtə $ -ər/ noun [countable] technical a piece of electronic equipment that makes sending messages between different computers or between different networks easier and faster
Examples from the Corpus
router• For example, a router might send all addresses beginning with 213 in one direction, and the rest in another.• But Proteon has gone one stage further than 3Com by bundling both router and hub into a pre-configured chassis.• A new multiprotocol router has also been added to the ScaNet range.• The simplest firewall is a packet-filtering gateway or screening router.• Lastly, if the screening router is circumvented by a hacker, the rest of the network is open to attack.From Longman Business Dictionaryrouterrout‧er /ˈruːtəˈruːtər, -ˈraʊ-/ noun [countable]COMPUTING a device on a computer that makes it possible to connect it to another computer of a different type or on a different NETWORKSYNGATEWAY 