ammunition

Short definition from Wiktionary

Noun

1. 1
   Articles used in charging firearms and ordnance of all kinds; as powder, balls, shot, shells, percussion caps, rockets, etc.
2. 2
   Military stores, or provisions of all kinds for attack or defense.
3. 3
   Arguments and information that can be used against the other party in a conflict.

Verb

1. 1
   To supply with ammunition.