Sedan?

[Chris Davies <chris@thames-language.demon.co.uk>]

>"Barchetta" in Italian is a body type like "roadster" or "sedan" in
>English.  I can't remember what body style it designates but it may be
>roadster or targa-type open car.
I'm probably sounding really daft here, but what's a sedan? I keep
reading this term both here and in the british cars list, but haven't
heard it anywhere else!
-- 
Chris Davies