One of the flexible tubes (veins or arteries) in the bodies of animals which convey the blood throughout the system.

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1694.  Salmon, Iatrica, I. v. 244/2. Some of the Blood-vessels, chiefly the Arteries … must be broken.

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1718.  J. Chamberlayne, Relig. Philos. (1830), I. iv. § 3. A Tunicle full of Blood-Vessels; that is of Veins and Arteries.

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1836.  Dickens, Sk. Boz, v. 19/1. She burst a bloodvessel one mornin’, and died.

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