Router/ˈruːtər,ˈraʊtər/ Definition 1 of 2Pro Tip 1/3Networking Device A router in computing connects multiple networks and directs internet traffic. To access the web, connect your computer to the router. Pro Tip 2/3Home and Office Routers are common in homes and businesses for internet access. The office router manages our entire network's traffic. Pro Tip 3/3Wi-Fi Signal Wireless routers provide Wi-Fi to connect smartphones and laptops without cables. My Wi-Fi router lets me use the internet from anywhere at home.