Path. Pl. vibices. [L. vībex, vībix mark of a blow or stripe, a weal.] A long and narrow mark or patch in the skin caused by the subcutaneous extravasation of blood, occurring esp. in some fevers. Usually in pl.
[1693. in Blancards Phys. Dict. (ed. 2).
1706. Phillips (ed. Kersey), Vibex, a black and blew Spot occasioned by a Flux of Blood.]
1771. Encycl. Brit., III. 68/2. The vibices, or large livid or dark greenish marks, seldom appear till very near the fatal period.
1793. Beddoes, Consump., 115. Dark coloured spots, vibices, or any other scorbutic symptoms.
18227. Good, Study Med. (1829), II. 164. Petechial spots, vibices, and hemorrhages from different parts.
1876. Bristowe, Th. & Pract. Med., 208. In malignant cases [of diphtheria] petechiæ and vibices appear beneath the skin.