verb (used with object)
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Origin of quoin
Example sentences from the Web for quoin
But the most useful mortar, of course, had trunnions and adjustable elevation by means of quoins.Artillery Through the Ages|Albert Manucy
The Angles or Quoins of rubble-work are always carefully and precisely worked and serve as a gauge for the rest of the walling.
So also are the "trucks" or wheels, and the "quoins" or wedges for elevating or depressing the guns.The British Navy Book|Cyril Field
Frequently the quoins and jambs are executed in ashlar, which gives a neat and finished appearance and adds strength to the work.
Dressings, the finished stones of window and door jambs and quoins.