<p><strong>Noun</strong></p><ul><li>Pathology: a painful circumscribed inflammation of the subcutaneous tissue, resulting in suppuration and sloughing, and having a tendency to spread somewhat like a boil, but more serious in its effects.</li><li>a gemstone, especially a garnet, cut with a convex back and a cabochon surface.</li><li>a dark grayish, red-brown color.</li><li>any rounded red gem.</li></ul><p><strong>Adjective</strong></p><ul><li>having the color carbuncle.</li></ul>