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ENGLISH · A WORD WITH POSSIBILITIES

quoin.

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

5 characters1 syllables approx.English language

Meaning & usage

noun/k(w)ɔɪn/
  1. Any of the corner building blocks of a building, usually larger or more ornate than the surrounding blocks.

  2. The keystone of an arch.

  3. 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.

    historical
  4. A form of wedge used to prevent casks from moving.

    obsolete
  5. 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.

  6. A number of apple varieties with a distinctive ribbed appearance, like corners of a coin.

Where this word comes from

Variant of coin; compare coign.

verb/k(w)ɔɪn/
  1. To wedge or steady with quoins.

    transitive
Where this word comes from

Variant of coin; compare coign.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.