noun B2 Middle English origin capstone /ˈkæpstoʊn/  ·  KAP-stohn منتہی پتھرقائم مقاماہم حصہ Roman Urdu: Akhri Patthar ENGLISH MEANING The final or most important element that completes something. A capstone is the last, crowning piece of a project, building, or series that brings everything together. It is often used for a culminating academic project that[...]