Coign

Coign is an older spelling of Quoin, and may refer to:

Coign (architecture), masonry blocks at the corner of a wall
Coign (gunnery), a wedge used in aiming a cannon
Coign (printing), wooden or metal wedges used for locking printing type into a chase
A coign, in Crystallography, is the point at which three facets of a crystal meet
A coign, in Geology, is an angular plate around which a continent has formed

See also[edit]

Coign of vantage, an elevated observation point
Coign and livery, military exactions in Gaelic Ireland

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