coigne

• 名词，指印刷中用于将活字固定在版框内的楔子（紧版楔），也指拱顶中央的拱心石。

A noun referring to a wedge used in printing to secure type within a frame, or the central stone of an arch.

1. Printing wedgeC2formalbritish

   An expandable metal or wooden wedge used by printers to lock up a form within a chase.

   版楔

   • The printer adjusted the coigne to secure the type.
   • He inserted a coigne to tighten the form.
   • The old press required a coigne for proper alignment.

   同义词quoinwedge

2. Keystone of an archC2formalbritish

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

   拱顶石

   • The coigne was carved with a decorative motif.
   • The architect inspected the coigne for stability.
   • The ancient arch's coigne was still intact.

   同义词keykeystone