1

quoin

noun \ ˈkȯin , ˈkwȯin \
Updated on: 31 Mar 2018

Definition of quoin

1 a : a solid exterior angle (as of a building)
b : one of the members (such as a block) forming a quoin and usually differentiated from the adjoining walls by material, texture, color, size, or projection
2 : the keystone or a voussoir of an arch
3 : a wooden or expandable metal block used by printers to lock up a form within a chase

Recent Examples of quoin from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quoin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of quoin

illustration of quoin

Origin and Etymology of quoin

alteration of 1coin

Other Building Terms


2

quoin

verb

Definition of quoin

1 : to equip (a type form) with quoins
2 : to provide with quoins
  • quoined walls

First Known Use of quoin

1683

in the meaning defined at sense 1

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