Ammunition (noun)

1. The material fired, thrown, dropped, or otherwise projected from a weapon, as bullets, shells, or bombs.
2. The items or material used in support of an action or operation, such as weapons or facts used in an argument.
3. The supplies and materials used in a particular activity or pursuit.

Origin:

Late middle english: from old french amunition, from latin amunitio, from amunire "fortify".

Examples:

1. The soldiers were low on ammunition.
2. He reloaded his gun with fresh ammunition.
3. The ammunition used in the rifle was a high-powered round.
4. The lawyer had plenty of ammunition to support his case.
5. The ammunition was stored in a secure location.