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, coign, coigne
1. an external corner of a wall
2. a stone forming the external corner of a wall
3. another name for keystone
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005


One of a series of stones or bricks used to mark or visually reinforce the exterior corners of a building; often through a contrast of size, shape, color or material, which may be imitated in non-load-bearing materials.

rustic quoin

A stone quoin, projecting out from the main surface of the wall with rough, split faces and chamfered edges, to give the appearance of rugged strength.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved


(building construction)
One of the members forming an outside corner or exterior angle of a building, and differentiated from the wall by color, texture, size, or projection.
(graphic arts)
An expandable device used to secure type and printing plates in a chase.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

coin, quoin

1.The corner of a building.
2. The stones or bricks which form the corner.
3. A wedge.

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Spiller, 59, Du Quoin, arrested on charges of Expired Driver's License for more than one year and Disobeying a Traffic Control Device.
Skinvisible said the potential merger with Quoin is the best option for the company and may offer significant value to shareholders as Quoin commences and progresses with its clinical development plans.
4 What will Du Quoin's population do over the next decade?
Gossman, 19, Du Quoin, was cited and charged with failure to signal.
They will be accepted at the Searby Funeral Home in Du Quoin, which is in charge of arrangements.
Higgens, 17, Du Quoin, was cited on the charge of speeding.
Funeral services were held at the Gospel Assembly Church in Du Quoin on Sunday, July 14, with Brother Bill Hamburger officiating.
He married Violet Huggins on June 24, 1950 in Du Quoin, and she survives of Du Quoin.
Sunday, July 14, at the Gospel Assembly Church in Du Quoin, with Brother Bill Hamburger officiating.
2:37 a.m.: A 16-year-old male from Du Quoin, was charged with violating curfew.
"Bill" Hanna, 87, of Du Quoin, passed away at 6:05 a.m.
Deddo, 24, Du Quoin, charged with possession of cannabis.