Definition of tonneau in English:

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Pronunciation: /təˈnō/

noun (plural tonneaus or tonneaux /təˈnōz/ /ˈtänōz/)

1The part of an automobile, typically an open car, occupied by the back seats.
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.
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