Hypertext Webster Gateway: "quoin"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Quoin \Quoin\, n. [See {Coin}, and cf. {Coigne}.]
1. (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.
Note: In stone, the quoins consist of blocks larger than
those used in the rest of the building, and cut to
dimension. In brickwork, quoins consist of groups or
masses of brick laid together, and in a certain
imitation of quoins of stone.
From WordNet (r) 1.7 (wn)
quoin
n 1: expandable metal or wooden wedge used by printers to lock up
a form within a chase [syn: {coign}, {coigne}]
2: the keystone of an arch [syn: {coign}, {coigne}]
3: (architecture) solid exterior angle of a building;
especially one formed by a cornerstone [syn: {corner}]
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