1. An external angle or corner of a wall or building; a quoin.
Usage: archaic; variant spelling of quoin
2. A cornerstone or stone forming the corner of a building.
Usage: archaic

Examples

• The mason carefully placed stones at each coigne of the fortress.
• The building's coignes were reinforced with iron bands.
• Medieval architects paid special attention to the coignes of their structures.
• The coigne of the tower showed signs of weathering over centuries.