(in ancient Greece and Rome) a loose woollen tunic worn knee length by men and full length by women
2. Also called: coat-of-mail shell
any small primitive marine mollusc of the genus Chiton and related genera, having an elongated body covered with eight overlapping shell plates: class Amphineura
Word origin
C19: from Greek khitōn coat of mail, of Semitic origin; related to Hebrew kethōnet