From Longman Dictionary of Contemporary Englishsedanse‧dan /sɪˈdæn/ noun [countable] American English, AusE TTCa car that has four doors, seats for at least four people, and a boot SYN saloon British English
Examples from the Corpus
sedan• The black sedan cut off her escape on BCastle Heights.• He hid his face as his gray sedan drove through the prison gates.• Type: Front-engine, frontwheel-drive, five-passenger mid-size sedan.• The worshippers dragged Ace before the sedan chair, throwing her to the ground.• The fourth car just gives you the choice whether you will go there in the sedan or the convertible.• She had a little white sedan with plenty of what it takes under the hood.Origin sedan (1900-2000) sedan chair 