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[[Image:Quoin printing.jpg|right|thumb|200px|A printer's quoin]]
[[Image:Quoin printing.jpg|right|thumb|200px|A printer's quoin]]
A '''quoin''' is a wedge shaped item used to support or anchor other items.
A '''quoin''' is a wedge shaped item used to support or anchor other items.
*In [[shipping]] terms it refers to a timber block used to secure barrels against movement.<ref>U.S. Department of Transportation Maritime Administration [http://www.marad.dot.gov/publications/glossary/glossary.html]</ref> Historically, the same item was used at the breech end of a cannon to raise or lower the weapon's trajectory.
*In [[shipping]] terms it refers to a timber block used to secure barrels against movement.<ref>[http://www.marad.dot.gov/publications/glossary/glossary.html U.S. Department of Transportation Maritime Administration]</ref> Historically, the same item was used at the breech end of a cannon to raise or lower the weapon's trajectory.
*Quoins in architecture are the corner stones which anchor the edge of the building wall.
*Quoins in architecture are the corner stones which anchor the edge of the building wall.
*Quoins are also wedges used by printers to hold the hand-set type in place.
*Quoins are also wedges used by printers to hold the hand-set type in place.