quoin /koin/

1. A salient angle, esp of a building
2. A cornerstone, esp a dressed cornerstone
3. A keystone
4. A voussoir (qv)
5. A wedge, esp for locking type in a chase, or for raising a gun

1. To wedge
2. To secure or raise by wedging

quoinˈing noun

• precepted
• preceptial
• precepting
• preceptive
• preceptor
• preceptorial
• preceptories
• preceptors
• preceptorship
• preceptorships
• preceptory
• preceptress
• preceptresses
• precepts
• preces
• precess
• precessed
• precesses
• precessing
• precession
• precessional
• precession of the equinoxes
• precessions
• prechristian
• pre-Christian