Mil. [Sp.] A strategic line of defences, as trenches, blockhouses, etc.; a military cordon.

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1889.  Gen. Saleas Marin, in Knoxville Jrnl., 10 Feb., 5/3. I never placed much reliance o the trocha as a means of preventing the insurgents crossing in either direction.

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1896.  Daily News, 9 Dec., 7/5. The Spanish force,… near Punta Brava [Cuba], on the western side of the trocha. Ibid. (1898), 13 April, 3/1. These trochas have at every corner and at frequent intervals along the sides what are called forts, but which are really small blockhouses.

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1902.  R. T. Hill, in Encycl. Brit., XXVII. 306/1. A corps of 20,000 mien was stationed on this trocha or military cordon.

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