WordWeb Online

1. A broad highway designed for high-speed traffic
   - expressway [N. Amer], freeway [N. Amer, Austral, S.Africa], motorway [Brit, Cdn], pike, state highway [N. Amer], throughway, thruway [N. Amer]
    
2. An extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form
   - information superhighway, motorway [Brit, Cdn]

Derived forms: superhighways

Type of: electronic network, highway, main road, network

Encyclopedia: Superhighway