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v. Present participle of quoin.

n. The architectural elements, such as stone or brick, that form a quoin

"The only aspect I don't like as much are the two broad strips of white stone quoining bookending the front elevation, but that is a minor quibble."

quoined    quoining    quoins   

wedge    keystone    headstone    key    structure    construction   

cantick-quoin   

cornet    cornerstone   

cockleshell    youca