from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The officer in charge of a xystus in Ancient Greece.
from the GNU version of the Collaborative International Dictionary of English
- n. An office� having the superintendence of the xyst.
from The Century Dictionary and Cyclopedia
- n. An Athenian officer who presided over the gymnastic exercises of the xyst.
xyst + -arch (Wiktionary)