[1] : WordNet (r) 2.0

superhighway
     n 1: a broad highway designed for high-speed traffic syn: expressway,
           freeway, motorway, pike, state highway, throughway,
           thruway
     2: an extensive electronic network such as the internet used
        for the rapid transfer of sound and video and graphics in
        digital form syn: information superhighway
see also:
expressway freeway motorway pike state highway throughway 
thruway information superhighway 

[2] : Moby Thesaurus II by Grady Ward, 1.0

74 moby thesaurus words for "superhighway":
   autobahn, us highway, alley, alleyway, arterial, arterial highway,
   arterial street, artery, autoroute, autostrada, avenue,
   belt highway, blind alley, boulevard, bypass, byway, camino real,
   carriageway, causeway, causey, chaussee, circumferential, close,
   corduroy road, county road, court, crescent, cul-de-sac,
   dead-end street, dike, dirt road, drive, driveway, expressway,
   freeway, gravel road, highroad, highway, highways and byways,
   interstate highway, lane, local road, main drag, main road, mews,
   motorway, parkway, pave, paved road, pike, place, plank road,
   primary highway, private road, right-of-way, ring road, road,
   roadbed, roadway, route nationale, row, royal road, secondary road,
   speedway, state highway, street, terrace, thoroughfare,
   through street, thruway, toll road, township road, turnpike,
   wynd

[3] : The Free On-line Dictionary of Computing (27 SEP 03)

superhighway
     
        information superhighway
     
     
see also:
information superhighway 

Superhighway >> S Words
Superhighway, definition of term: Superhighway
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