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 ]

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.