Source : Webster's Revised Unabridged Dictionary (1913)

Commissariat \Com`mis*sa"ri*at\ (?; 277), n. [F. commissariat.]
   (Mil.)
   (a) The organized system by which armies and military posts
       are supplied with food and daily necessaries.
   (b) The body of officers charged with such service.

Source : WordNet®

commissariat
     n : a stock or supply of foods [syn: {provisions}, {provender},
         {viands}, {victuals}]