Coign

Definition of Coign

Pronunciation: koin

n.	1.	A var. spelling of Coin, Quoin, a corner, wedge; - chiefly used in the phrase coign of vantage, a position advantageous for action or observation. From some shielded nook or coign of vantage. - The Century. The lithosphere would be depressed on four faces; . . . the four projecting coigns would stand up as continents. - Nature.
	2.	an expandable metal or wooden wedge used by printers to lock up a form within a chase.
	3.	the keystone of an arch.

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