commissary

com·mis·sar·y  (km-sr)

n. pl. com·mis·sar·ies

1.

a. A supermarket for military personnel and their dependents, usually located on a military installation.

b. A store where food and equipment are sold, as in a mining camp.

2. A lunchroom or cafeteria, especially one in a film or television studio.

3. A person to whom a special duty is given by a higher authority; a deputy.

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[Middle English commissarie, agent, from Medieval Latin commissrius, from Latin commissus, entrusted; see commission.]

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commissary

Noun

pl -saries

1. US a shop supplying food or equipment, as in a military camp

2. a representative or deputy [Medieval Latin commissarius official in charge]

Thesaurus

Noun	1.	commissary - a retail store that sells equipment and provisions (usually to military personnel) post exchange, PX - a commissary on a United States Army post shop, store - a mercantile establishment for the retail sale of goods or services; "he bought it at a shop on Cape Cod" slop chest - commissary maintained aboard merchant ships to sell merchandise to the crew small stores - personal items conforming to regulations that are sold aboard ship or at a naval base and charged to the person's pay armed forces, armed services, military, military machine, war machine - the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"
	2.	commissary - a snack bar in a film studio snack bar, snack counter, buffet - usually inexpensive bar