coign
1. [ noun ] (printing) expandable metal or wooden wedge used by printers to lock up a form within a chase
Synonyms: coigne quoin
Related terms: wedge
2. [ noun ] (architecture) the keystone of an arch
Synonyms: coigne quoin
Related terms: keystone
Similar spelling:   coigne
  Cogan
  cosine
  Coogan
  Coggin
  cozen
  Coxon
  cousin
  cocoon
  cockney
  cochin
  cocain