coping stone
noun
another word for copestone (def. 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the Web for coping stone
Historical Examples of coping stone
The coping-stone of the wall was loose,—had become loosened by the frost.
The Crofton BoysHarriet Martineau
This is the science of the pure reason, the coping-stone of knowledge.
It is through this Juliana that we obtain the coping-stone of proof.
And was her coming out to be the putting on of the Coping-stone?
The Golden ButterflyWalter Besant
When you reach this knowledge, Phillis, be sure that the Coping-stone is not far-off.
The Golden ButterflyWalter Besant