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

• cryptadia
• cryptaesthesia
• cryptaesthesias
• cryptaesthetic
• cryptal
• cryptanalyses
• cryptanalysis
• cryptanalyst
• cryptanalysts
• cryptanalytic
• cryptesthesia
• cryptesthesias
• cryptic
• cryptical
• cryptically
• cryptic coloration
• cryptic colorations
• crypto
• crypto-
• cryptobiont
• cryptobiosis
• down the toilet
• down the tubes
• down the wind
• downthrow