WordRel.com

• a broad highway designed for high-speed traffic

  synonym	expresswayfreewaymotorwaypikestate highwaythroughwaythruway
  hypernym	highwaymain road
  hyponym	autobahnautostradatoll roadturnpike
  mero part	carriageway

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

  synonym	information superhighway
  hypernym	electronic networknetwork