a storage place for weapons and other war equipment.

a building that is the headquarters and drill center of a military unit.

a place where arms and armor are made; an armorer's shop; arsenal.

Heraldry . the art of blazoning arms.

heraldry.

arms or armor collectively.

Archaic . heraldic bearings or arms.

noun

arsenal , center , depot , dump , factory , headquarters , magazine , plant , range , field house , warehouse