Source : Webster's Revised Unabridged Dictionary (1913)

Munition \Mu*ni"tion\, n. [F., munition of war, L. munitio a
   fortifying, fortification, fr. munire to fortify, defend with
   a wall; cf. moenia walls, murus (for moirus) a wall, and Skr.
   mi to fix, make firm. Cf. {Ammunition}.]
   1. Fortification; stronghold. [Obs.]

            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.

Source : WordNet®

munition
     n 1: weapons considered collectively [syn: {weaponry}, {arms}, {implements
          of war}, {weapons system}]
     2: defensive structure consisting of walls or mounds built
        around a stronghold to strengthen it [syn: {fortification}]

munition
     v : supply with weapons