a. Of or pertaining to a commissary. [ 1913 Webster ]

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. [ 1913 Webster ]

n.; pl. Commissaries [ LL. commissarius, fr. L. commissus, p. p. of committere to commit, intrust to. See Commit. ] 1. One to whom is committed some charge, duty, or office, by a superior power; a commissioner. [ 1913 Webster ]

Great Destiny, the Commissary of God. Donne. [ 1913 Webster ]

2. (Eccl.) An officer of the bishop, who exercises ecclesiastical jurisdiction in parts of the diocese at a distance from the residence of the bishop. Ayliffe. [ 1913 Webster ]

3. (Mil.) (a) An officer having charge of a special service; as, the commissary of musters. (b) An officer whose business is to provide food for a body of troops or a military post; -- officially called commissary of subsistence. [ U. S. ] [ 1913 Webster ]

Washington wrote to the President of Congress . . . urging the appointment of a commissary general, a quartermaster general, a commissary of musters, and a commissary of artillery. W. Irving [ 1913 Webster ]

Commissary general, an officer in charge of some special department of army service; as: (a) The officer in charge of the commissariat and transport department, or of the ordnance store department. [ Eng. ] (b) The commissary general of subsistence. [ U. S. ] --
Commissary general of subsistence (Mil. U. S.), the head of the subsistence department, who has charge of the purchase and issue of provisions for the army. [ 1913 Webster ]

n. The office or employment of a commissary. Ayliffe. [ 1913 Webster ]