meaning of capstone

capstone meaning in General Dictionary

A fossil echinus associated with the genus Cannulus so called from the expected similarity to a cap

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  • a rock that types the top wall or building
  • one last touch; a crowning accomplishment; a culmination
  • A fossil echinus of this genus Cannulus; -- so named from its expected resemblance to a cap.

capstone meaning in Etymology Dictionary

additionally cap-stone, topmost rock in a construction, 1680s, from limit + stone (n.). Earliest use is figurative.

Sentence Examples with the word capstone

Wooded heights form a semicircle round the town, which is protected from sea winds by Capstone Hill.

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