coign of vantage
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a coign of vantage
dated A beneficial spot or position, especially for viewing something. "Coign" is an archaic spelling of "quoin," the outside corner of a building or wall. My office affords me a fine coign of vantage, as I can watch everyone on the floor without them knowing,
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
coign of vantagea favourable position for observation or action. literary
The literal sense of a coign of vantage is ‘a projecting corner of a wall or building’; the phrase appears in Shakespeare 's Macbeth in Duncan's description of the nesting places of the swifts at Macbeth's castle. The word quoin meaning ‘an external angle of a building’ still exists in English, but the archaic spelling coign survives mainly in this phrase.
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