A device that sends, or routes, information between two networks (for example, between a home network and the Internet).
— Computer ScienceA device used to connect networks together, for example so that several PCs can share one internet connection. A relative of thehub, but more powerful.
— Computer ScienceA special-purpose computer that handles the connection between 2 or more Packet-Switchednetworks. Routers spend all their time looking at the source and destination addresses of thepackets- passing through them and deciding which route to send them on.
— Computer Science