coping stone(redirected from copingstone)
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(Building) another word for copestone1
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|Noun||1.||coping stone - a stone that forms the top of wall or building|
stone - building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site"
wall - an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure; "the south wall had a small window"; "the walls were covered with pictures"