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

• play truant
• play up
• play upon
• play upon words
• play up to
• play-way
• play-ways
• play with
• play with edge tools
• play with fire
• play-world
• play-worlds
• playwright
• playwrights
• play-writer
• plaza
• plazas
• plc
• PLC
• plea
• plea bargain
• plea-bargain
• plea-bargained
• plea bargaining
• plea-bargaining