中世紀的無袖衣
Habergeon \Ha*ber"ge*on\, n. [F. haubergeon a small hauberk, dim. of OF. hauberc, F. haubert. See Hauberk.] Properly, a short hauberk, but often used loosely for the hauberk. --Chaucer.
habergeon n : (Middle Ages) a light sleeveless coat of chain mail worn under the hauberk