The castles themselves weren't really weapons but... anti-weapons. Their moats, battlements, and twelve foot thick walls could stop almost anything. Although they could have weapons in them. Cannons and archers can be placed in battlements. Moats can be filled with crocks. Hot oil can be dumped down the wall, preventing people from climbing. All in all, castles were the defense of the middle ages.
weapons
using weapons
night armor and weapons
catapaults
catapults and trebuchets
An armoury is a place where weapons are kept (stored).
arrows and slingshots
The same weapons that were used to attack any other castle!!
because weapons destroied them over time
for the people who was their enemy had greater Armour and weapons
To break down the defenses of walled cities or castles.
the castle outlived it usefulness in the 1500's this happened because the weapons became more advance and the castles were easier to attack