The Collaborative International Dictionary
Xystarch
Xystarch \Xyst"arch\, n. [L. xystarches, Gr. ?, ? a xyst + ? to
rule.] (Gr. Antiq.)
An office? having the superintendence of the xyst.
--Dr. W.
Smith.
Wiktionary
xystarch
n. The officer in charge of a xystus in Ancient Greece.