coign

• Существительное, обозначающее клин, используемый в печати для фиксации формы внутри рамы, или замковый камень арки.

A noun referring to a wedge used in printing to secure a form within a chase, or the keystone of an arch.

1. Printing wedgeC2formal

   A wedge, often made of wood or metal, used by printers to secure a form tightly within a chase.

   Типографский клин

   • The printer adjusted the coign to lock the type in place.
   • He used a wooden coign to stabilize the form.
   • The coign was essential for preventing movement during printing.

   Synonymscoignequoin

2. Keystone of an archC2formal

   The central stone at the apex of an arch, which locks the other stones together.

   Замковый камень

   • The coign was carefully carved to fit the arch perfectly.
   • The architect inspected the coign for structural integrity.
   • Without the coign, the arch would collapse under pressure.

   Synonymskeykeystone