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

• zygosperm
• zygosphene
• zygosphenes
• zygospore
• zygospores
• zygote
• zygotene
• zygotenes
• zygotes
• zygotic
• zygotic number
• zygotic numbers
• zylonite
• zym-
• zymase
• zymases
• zyme
• zymes
• zymic
• zymite
• zymites
• zymo-
• zymogen
• zymogenic
• zymogens