Learn more. Ammunition definition, the material fired, scattered, dropped, or detonated from any weapon, as bombs or rockets, and especially shot, shrapnel, bullets, or shells fired by guns. Ammunition definition: Ammunition is bullets and rockets that are made to be fired from guns . ammunition synonyms, ammunition pronunciation, ammunition translation, English dictionary definition of ammunition. Define ammunition. Find more Tamil words at wordhippo.com! Projectiles, such as bullets and shot, together with their fuses and primers, that can be fired from guns or otherwise propelled. n informal short for ammunition n. ammunition. short for ammunition . ammo synonyms, ammo pronunciation, ammo translation, English dictionary definition of ammo. 2. ammunition definition: 1. objects that can be shot from a weapon, such as bullets or bombs: 2. facts that can be used to…. See more. | Meaning, pronunciation, translations and examples Define ammo. n. 1. n. Informal Ammunition. The Tamil for ammunition is படைத்தளவாடம்.