CAPSTONE
capstone, copestone, coping stone, stretcher
(noun) a stone that forms the top of wall or building
Source: WordNet® 3.1
Etymology
Noun
capstone (plural capstones)
Any of the stones making up the top layer of a wall; a coping stone.
(figurative) A crowning achievement, culmination or finishing touch.
Synonyms
• copestone
Verb
capstone (third-person singular simple present capstones, present participle capstoning, simple past and past participle capstoned)
(transitive) To complete as a crowning achievement; to top off.
(transitive, US, military, informal) To train in the Capstone Military Leadership Program.
Anagrams
• caponets, opencast, patonces, potances
Source: Wiktionary
Cap"stone`, n. (Paleon.)
Definition: A fossil echinus of the genus Cannulus; -- so called from its
supposed resemblance to a cap.
Source: Webster’s Unabridged Dictionary 1913 Edition