In clothing, a train describes the long back portion of a skirt, overskirt, or dress that trails behind the wearer. It is a common part of a woman's court dress, formal evening gowns or wedding dress.
In the Roman Catholic Church the cappa magna (literally, "great cape"), a form of mantle, is a voluminous ecclesiastical vestment with a long train. Cardinals, bishops, and certain other honorary prelates are entitled to wear the cappa magna.
Trains in modern (20th and 21st century) bridal wear have their own terminology:
Isabeau of Bavaria with long ermine-lined train; c. late 14th century or early 15th century
Mantua with train, 1698.
Court dress and train, English, 1822.
Dress with a fishtail train, French, c. 1880. LACMA
Detail of the previous dress.
Evening gown with train, 1883.
Court presentation dress and train, 1897.
Short wedding dress with long train attached. 1920s.
Swedish evening dress with fuchsia train, 1930s.
Japanese bride in a white dress with train, 2007.