"commissary" is a correct and commonly used word in written English.
You can use it to refer to a store or shop that provides provisions, such as food and clothing, for members of an organization, such as a military base or prison. For example, "The prison had a commissary where inmates could buy snacks and basic toiletries."
Inmates aren't allowed to hold cash; the measly amounts of money they earn from working are deposited in commissary accounts.
But once an inmate buys something from the commissary he can use it as currency, assuming it is accepted as the coin of the realm.
It accounted for about half his commissary sales, he says, outstripping the canned tuna, crab, chicken and oysters he offers.
Vauban's growing responsibilities included those as "commissary general of fortifications"—though that title remained with the nominal holder of the office until 1677; he travelled constantly and conducted an immense correspondence with the King and with the war minister, the marquis de Louvois.
The son of a war commissary, Dumouriez entered the French army in 1758 and served with distinction against the Prussians in the Seven Years' War (1756 63).
He briefly was commissary to Sierra Leone for the Committee for the Relief of the Black Poor; his concerns for the settlers some 500 to 600 freed slaves and for their ill treatment before their journey ultimately led to his replacement.
He turned over about 15,000 men, 20,000 rifles, 48 pieces of artillery, 17 heavy guns, about 3,000 horses, and large commissary stores.
Meanwhile, the Americans at Valley Forge survived a hungry winter, which was made worse by quartermaster and commissary mismanagement, graft of contractors, and unwillingness of farmers to sell produce for paper money.
In two ecclesiastical courts he served as commissary (judge), and his frequent sermons at York Minster were popular.
Given commissary status in 1910 and raised to intendency level in 1950 and to department status in the late 1970s, the territory consists of forested lowlands except in the west, where it rises abruptly into the Andean Cordillera (mountains) Oriental.
His attempts to support himself as a commissary of provisions and as a tax collector were disastrous; he was twice imprisoned for discrepancies in his bookkeeping.
