[ sɪ'dan ]
■ noun
1》 (also ~ chair ) an enclosed chair for conveying one person, carried between horizontal poles by two porters, common in the 17th and 18th centuries.
2》 chiefly N. Amer. a car for four or more people.
Origin
perh. an alt. of an Ital. dialect word, based on L. sella 'saddle'.