What is the definition of Civilization Weapon?

A 'civilization weapon' is basically a fancy, outdated tool of human ingenuity that has been so thoroughly refined and polished over time, it's like a relic from a bygone era of medieval warfare - except instead of swords and bows, it's a smartphone with a built-in GPS. Now, here's an edgy example sentence using this term: "The ancient civilization weapon of their grand pyramids was the pyramid drill, which surprisingly, still managed to drill through stone like it was butter with a spoon."