Definition of "quoins" []

• Plural form of quoin. (noun)

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• "After the blocks have been spaced as desired, and the spaces filled with furniture, the form is "locked up," or tightened securely, with wedge-shaped pieces of iron called "quoins," and it is then placed in position on the bed of the press, securely fastened by screw clamps, and "making ready" for printing is begun."
• "Expanding metal brackets called "quoins" locked these into place, and the form was placed in a press."
• "I recognized Federal inspired houses with their rectangular structure and slim, delicate iron railings; those stately old dames mingled freely with Georgian homes with hipped roofs and quoins on the corners."