Any of the stones making up the top layer of a wall; a coping stone. / (figuratively) A crowning achievement, culmination or finishing touch.

(transitive) To complete as a crowning achievement; to top off. / (transitive, US, military, informal) To train in the Capstone Military Leadership Program.

simple past tense and past participle of capstone

plural of capstone

Third-person singular simple present indicative form of capstone

present participle of capstone

A project that is culmination of an academic course or major. This is typically done at the end of said course or major.