coign

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. expandable metal or wooden wedge used by printers to lock up a form within a chase
• Syn:
quoin, coigne
• Hypernyms:
wedge
2. the keystone of an arch
• Syn:
quoin, coigne
• Hypernyms:
keystone, key, headstone

• Từ đồng nghĩa / Synonyms:
  quoin, coigne