Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun coign

2 senses of coign

Sense 1
quoin, coign, coigne -- (expandable metal or wooden wedge used by printers to lock up a form within a chase)
       => wedge -- (something solid that is usable as an inclined plane (shaped like a V) that can be pushed between two things to separate them)

Sense 2
quoin, coign, coigne -- (the keystone of an arch)
       => keystone, key, headstone -- (the central building block at the top of an arch or vault)