angle stone

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quoin, coign, coin

stone quoins set in brickwork
In masonry, a hard stone or brick used, with similar ones, to reinforce an external corner or edge of a wall or the like; often distinguished decoratively from adjacent masonry; may be imitated in non-load-bearing materials. Occasionally imitated, for decorative purposes, by wood that has been finished to look like masonry.
References in periodicals archive ?
60 m angle stones as bordering on gabion wall, Approx.
475 m 3 flooring, 940 m 3 flooring / trenches, 375 m sewage pipes, 2 600 m 2 paving slabs, 1 350 m 2 asphalt, 90 m concrete angle stones, 70 m concrete workbench, 16 mast / 9 bollard lights, 2,500 m 2 lawn area, 865 m 2 covering areas roof garden, 245 m 2 perennial and shrub surfaces roof garden, 220 m 2 lawn areas roof garden.