A region or even planet, depending on the era, that produces a considerable amount of weaponry. It is a very old term originating from the late Human Industrialization. Named because of the amount of lead used in bullets and other kinetic weapons but for most eras lead actually wasn't used. For instance during Vza's Envelopment most Lead Baskets were cities dedicated to making magical war machines, and from Intergalactic Expansion onward kinetic weapons used much more advanced materials.
Notable Lead Baskets include: