A temporary monopoly of some commodity: resembling on a large scale that “engrossing” which was punishable at common law.

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1855.  He is the greatest of all men for a “corner.”—S. A. Hammett (‘Philip Paxton’), ‘Captain Priest,’ p. 249.

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1857.  When a party is made up to buy a large amount of stock [so as to inflate the market], it is called a corner.Hunt’s Merchants’ Mag. (N.Y.), xxxvii. 135. (N.E.D.)

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1870.  The “corner” in stock-broking is well explained by James K. Medbery, ‘Men and Mysteries of Wall Street,’ pp. 87–101 (Boston), in which he describes two or three great “cornering” operations.

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1888.  Creating a shortage, or what would practically be a corner, in sugar.—N.Y. World, Feb. 14 (Farmer).

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