• synonyms


[aw-toh-root; French oh-toh-root]
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noun, plural au·to·routes [aw-toh-roots; French oh-toh-root] /ˈɔ toʊˌruts; French oʊ toʊˈrut/.
  1. a principal highway, especially in France and French-speaking Canada.
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Origin of autoroute

From French, dating back to 1960–65; see origin at auto, route
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for autoroute


  1. a French motorway
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Word Origin

from French, from auto car + route road
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012