/ mjuːˈnɪʃnz; NAmE / noun
[ pl. ] military weapons, ammunition , and equipment :
a shortage of munitions
a munitions factory
► mu·ni·tion adjective [ only before noun ]:
a munition store
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WORD ORIGIN
late Middle English (denoting a granted right or privilege): from French , from Latin munitio(n-) fortification, from munire fortify or secure.