Noun
a long (usually sleeveless) tunic of chain mail formerly worn as defensive armor
Source: WordNetOther historians claim instead that the Carolingian byrnie was nothing more than a coat of mail, but longer and perhaps heavier than traditional early medieval mail. Source: Internet
Thomas Dunne Books, 2005, p. 82 indicate that: There is some dispute among historians as to what exactly constituted the Carolingian byrnie. Source: Internet