quoin

Variant of coin; compare coign.

• IPA^(key): /kɔɪn/

• Audio (US)

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• Homophones: coin, coign
• Rhymes: -ɔɪn

quoin (plural quoins)

1. Any of the corner building blocks of a building, usually larger or more ornate than the surrounding blocks.
   • Thomas Hardy

     In Casterbridge there stood a noble pile, […]
     But evil days beset that domicile;
     The stately beauties of its roof and wall
     Passed into sordid hands. Condemned to fall
     Were cornice, quoin, and cove,
     And all that art had wove in antique style.

2. The keystone of an arch.
3. (printing, historical) A metal wedge which fits into the space between the type and the edge of a chase, and is tightened to fix the metal type in place.
4. (obsolete, nautical) A form of wedge used to prevent casks from moving
5. (firearms) A wedge of wood or iron put under the breech of heavy guns or the muzzle of siege-mortars to raise them to the proper level.

• (corner block of a building): cornerstone

• quinie

quoin (third-person singular simple present quoins, present participle quoining, simple past and past participle quoined)

1. (transitive) To wedge or steady with quoins.