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tonneau Line breaks: ton|neau
Pronunciation: /ˈtɒnəʊ/

Definition of tonneau in English:


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.
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'.

Definition of tonneau in:
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