Webster's Revised Unabridged Dictionary · 1913

Munition

Munition , noun

[French, munition of war, Latin munitio a fortifying, fortification, from munire to fortify, defend with a wall; compare moenia walls, murus (for moirus) a wall, and Sanskrit mi to fix, make firm. Compare Ammunition.]

1.
Fortification; stronghold. [Obsolete]
His place of defense shall be the munitions of rocks. — Is. xxxiii. 16
2.
Whatever materials are used in war for defense or for annoying an enemy; ammunition; also, stores and provisions; military stores of all kinds.
The bodies of men, munition, and money, may justly be called the sinews of war. — Sir W. Raleigh