Sekirov Dictionary

quoin

/k(w)ɔɪn/

noun 6
verb 1
forms 3
phrases 1

noun6

Any of the corner building blocks of a building, usually larger or more ornate than the surrounding blocks.
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.
•
(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.
- Next fit the quoins, using the “persuader” to squeeze in the pages, and tap up all around. — 1898
The keystone of an arch.
A number of apple varieties with a distinctive ribbed appearance, like corners of a coin.
(no longer used) A form of wedge used to prevent casks from moving.

verb1

To wedge or steady with quoins.

forms

quoined · quoining · quoins

Phrases with quoin

quoin up
To set quoins in place prior to fastening them (locking up).

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