1; now, one with sides closing in the seat or seats and entered by a door usually at the side, also, the entire body of an automobile having such an after part
on early Cadillac models, additional seating for two passengers, mounted (detachable) at rear of body behind the front seats; it comprised a single door at the rear and was available on "Runabout" models from 1903 to the end of 1905; in later cars, the "tonneau" was the passenger area behind the front seat; the term also may describe the piece of cowling sometimes installed behind the front seat to protect the occupants of the rear compartment; the second cowl could be raised to facilitate entry to and exit from the rear seat
The shape of a watch-case like the cross section of a barrel with bulging sides and extending lugs
In France, a light-wheeled vehicle with square or rounded body and rear entrance