Definition of "superhighway"
superhighway
noun
plural superhighways
(US) An expressway, especially one designed for high speeds.
(figurative) The primary mechanism used in the movement of electronic data or information; information superhighway.
plural superhighways
(US) An expressway, especially one designed for high speeds.
(figurative) The primary mechanism used in the movement of electronic data or information; information superhighway.