Definition of tonneau in English:


Line breaks: ton|neau
Pronunciation: /ˈtɒnəʊ


  • 1The part of a car, typically an open car, occupied by the back seats: I sat rigidly in the tonneau of an asthmatic 1956 Chevrolet
  • 1.1 short for tonneau cover.
    More example sentences
    • Lift the top approximately 8 in., press the button on the center console and the hard tonneau opens up.
    • Among the application areas that he thinks the process can be used for include exterior body panels of a wide assortment: vehicle hard tops, hard tonneaus, recreational vehicle and heavy truck sidewalls, and the like.
    • Composite inserts at the forward edge of the tonneau hide the mechanicals when the top is down.
  • 2A unit of capacity for French wine, especially Bordeaux, usually equal to 900 litres or 198 gallons.


late 18th century (in sense 2): French, literally 'cask, tun'.

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