ton·​neau | \ ˈtä-ˌnō How to pronounce tonneau (audio) , tə-ˈnō \
plural tonneaus

Definition of tonneau

1a : a rear seating compartment of an automobile also : the entire seating compartment
2 : a shape of watch case or dial resembling a barrel in profile

Examples of tonneau in a Sentence

Recent Examples on the Web Volante’s curvaceous decklid, integrating the leather-upholstered tonneau and twin head buttresses, makes the DB11’s heavy haunches and Coke-bottle waist even more explicit. Dan Neil, WSJ, "2019 Aston Martin DB11 Volante: A Six-Figure Car That’s Worth Every Penny," 26 Apr. 2018 In an uncommon trick, the stowage spot for the roof can be used for additional top-up cargo capacity, the shallow but wide area accessed by raising the tonneau cover via buttons on the bottom edge of the doors. Dave Vanderwerp, Car and Driver, "2018 McLaren 570S Spider," 25 July 2017 Many standard features are available as options on other trims, including the tonneau cover. Emma Jayne Williams, star-telegram, "Ram 1500 spruces up its good looks with special night edition crew cab," 14 July 2017 The bed includes the industry-first Utili-track bed channel system, including dual lockable in-bed storage boxes that are accessible from inside the bed without having to remove a camper top or tonneau cover. G. Chambers Williams Iii,, "Redesigned 2017 Nissan Titan half-ton offers carlike accommodations, gas V-8," 30 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tonneau.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of tonneau

1901, in the meaning defined at sense 1a

History and Etymology for tonneau

French, literally, tun, from Old French tonel — more at tunnel entry 1

Keep scrolling for more

Learn More about tonneau

Time Traveler for tonneau

Time Traveler

The first known use of tonneau was in 1901

See more words from the same year

Statistics for tonneau

Cite this Entry

“Tonneau.” The Dictionary, Merriam-Webster Inc., Accessed 18 January 2020.

More from Merriam-Webster on tonneau

Rhyming Dictionary: Words that rhyme with tonneau

Comments on tonneau

What made you want to look up tonneau? Please tell us where you read or heard it (including the quote, if possible).


experienced by way of someone else

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!