Source : Webster's Revised Unabridged Dictionary (1913)

Demarch \De*march"\, n. [F. d['e]marche. See {March}, n.]
   March; walk; gait. [Obs.]

Demarch \De*march\ (d[=e]"m[aum]rk), n. [Gr. dh`marchos; dh^mos
   people + 'a`rchein to rule.]
   A chief or ruler of a deme or district in Greece.