What is the definition of Key-stone? | Dictionary.net

KEY-STONE

\kˈiːstˈə͡ʊn], \kˈiːstˈə‍ʊn], \k_ˈiː_s_t_ˈəʊ_n]\

Definitions of KEY-STONE

1895 - Glossary of terms and phrases
1871 - The Cabinet Dictionary of the English Language

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The middle or uppermost voussoir of an arch.

1895 - Glossary of terms and phrases
By Henry Percy Smith

n. The wedge-shaped stone on the top or middle of an arch or vault which binds the work.

1871 - The Cabinet Dictionary of the English Language

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