• WordNet 3.6
    • n quoin (architecture) solid exterior angle of a building; especially one formed by a cornerstone
    • n quoin the keystone of an arch
    • n quoin expandable metal or wooden wedge used by printers to lock up a form within a chase
    • ***
Webster's Revised Unabridged Dictionary
    • Quoin A wedgelike piece of stone, wood, metal, or other material, used for various purposes;
    • Quoin (Arch) Originally, a solid exterior angle, as of a building; now, commonly, one of the selected pieces of material by which the corner is marked.
    • Quoin To prevent casks from rolling.
    • Quoin To support and steady a stone.
    • Quoin To support the breech of a cannon.
    • Quoin To wedge or lock up a form within a chase.
    • ***
Century Dictionary and Cyclopedia
    • n quoin An external solid angle; specifically, in architecture and masonry, the external angle of a building. The word is generally applied to the separate stones or blocks of which the angle is formed; when these project beyond the general surface of the walls, and have their corners chamfered off, they are called rustic quoins or bossage.
    • n quoin A wedge-like piece of stone, wood, metal, or other material, used for various purposes. In masonry, a wedge to support and steady a stone.
    • n quoin In gem-cutting, any one of the four facets on the crown of a brilliant; also, any one of the four facets on the pavilion or base. These facets divide each portion of the brilliant into four parts. Also called lozenge. See cut under brilliant.
    • n quoin Nautical, a wedge placed beneath a cask when stowed on shipboard, to prevent it from rolling.
    • n quoin In gunnery, a wooden wedge used to hold a gun at a desired elevation.
    • quoin To wedge, steady, or raise with quoins, as a stone in building a wall, the types in a chase, etc.: generally with up. See quoin, n., 2.
    • n quoin The solid angle of a crystal in which three or more faces meet. Also written coign.
    • ***
Chambers's Twentieth Century Dictionary
    • n Quoin koin (archit.) a wedge used to support and steady a stone: an external angle, esp. of a building: :
    • v.t Quoin to wedge or steady with quoins
    • n Quoin koin (gun.) a wedge of wood or iron put under the breech of heavy guns or the muzzle of siege-mortars to raise them to the proper level
    • n Quoin koin (print.) a wedge used to fasten the types in the forms
    • ***


Webster's Revised Unabridged Dictionary
See Coin, and cf. Coigne
Chambers's Twentieth Century Dictionary


In literature:

Hence to Quoin Point (Coin-de-Mire) the coast has no sinuosities.
"Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]" by Phillip Parker King
Kangaroo, Althorp and Quoin Islands.
"Discoveries in Australia, Volume 2" by John Lort Stokes
In the evening of the 10th, the Gunner's Quoin bore N. by E., and False Cape, E.N.E.
"A General History and Collection of Voyages and Travels, Volume 17" by Robert Kerr
No stone quoining, or presence of any contrasting color, should be admitted.
"The Poetry of Architecture" by John Ruskin
The church (flint, with stone quoins) is Perp.
"Hertfordshire" by Herbert W Tompkins
Porter's bed and quoin has been adopted for all carriages requiring quoins.
"Ordnance Instructions for the United States Navy." by Bureau of Ordnance, USN
The guns were elevated or depressed by means of handspikes and quoins.
"On the Spanish Main" by John Masefield
Heavy siege guns were elevated with quoins, and elevation was restricted to 12 deg.
"Artillery Through the Ages" by Albert Manucy
Some were filled with leads and quoins and blocks.
"The Adventures of Bobby Orde" by Stewart Edward White
The piece of wood between the cheeks or brackets which, with the intervention of the quoin, supports the breech of the gun.
"The Sailor's Word-Book" by William Henry Smyth
Above the piece of wall which occurs between the older and newer work, the quoins of the aisleless church remain entire.
"The Ground Plan of the English Parish Church" by A. Hamilton Thompson
The figure 8 represents what is called a quoin, and keeps the bolster in its place.
"My Days and Nights on the Battle-Field" by Charles Carleton Coffin
It is a brick structure two and a half stories in height, having pedimental ends and corners quoined with stone.
"The Colonial Architecture of Philadelphia" by Frank Cousins
Corners are usually of cob, though stone quoins are occasionally met with.
"Cottage Building in Cob, Pisé, Chalk and Clay" by Clough Williams-Ellis
I'm falling out of the forme, sir, unless some of these doctors precious soon tighten up the quoins.
"Mad" by George Manville Fenn
Head Us ti quoin O'chiti-goine.
"Voyages from Montreal Through the Continent of North America to the Frozen and Pacific Oceans in 1789 and 1793" by Alexander Mackenzie
The chateau is a plain, solid building of red brick, with stone quoins and a high tent roof, surrounded by a deep ditch.
"The Browning Cyclopædia" by Edward Berdoe
Brayshaw, of Du Quoin, Illinois.
"American Pomology" by J. A. Warder
The quoining is of stone, and of stone also are the elaborate decorations.
"Highways and Byways in Cambridge and Ely" by Edward Conybeare
The cloak flying behind him shew that he has leaped into the quoin of vantage, and recalls the classic.
"The Grotesque in Church Art" by T. Tindall Wildridge

In news:

DU QUOIN --Officials in Du Quoin say they're tired of cleaning up dilapidated homes so they're doing more to hold property owners accountable.
That's what's happening at one of Perry County's most historic cemeteries--the Old Du Quoin Cemetery--cradle for much of south Perry County's early history.
Trailing by a touchdown with five seconds to play, Du Quoin had a chance to tie the game and force overtime.
Quoin developers Greg Sieranski (left) and Matthew Taft work on the company's current project with National Geographic.
Try Quoin 's happy hour.
Stephen Dickerson bought his quick pick ticket at the One Stop Smoke Shop in Du Quoin last month.
Friday night we're bringing our food drive to Anna as A-J takes on Du Quoin.
Keystones, corner quoins and a steeply pitched hip roof, not to mention sheer size, create an impression of statuesque grandeur.
Friday Play at Du Quoin Girls' Tip-Off Classic.
Johnston City beat Steeleville 51-46 in the opening game Friday night at the Du Quoin Girls' Tip-Off Classic.