superhighway

/ˌˈsupərˌhaɪˈweɪ/

Other forms: superhighways

Definitions of superhighway

1. noun

   a broad highway designed for high-speed traffic
   synonyms: expressway, freeway, motorway, pike, state highway, throughway, thruway

   types:

   autobahn

   an expressway in a German-speaking country

   autostrada

   an expressway in an Italian-speaking country

   toll road, turnpike

   an expressway on which tolls are collected

   type of:

   highway, main road

   a major road for any form of motor transport
2. noun

   an extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form
   synonyms: information superhighway

   type of:

   electronic network, network

   (electronics) a system of interconnected electronic components or circuits