Lewis & Short

carbuncŭlo, āre, v. n. [carbunculus], to have a carbunculus.

  1. A. Of men, Plin. 24, 13, 69, § 113; 23, 3, 34, § 70.
  2. B. Of plants, Plin. 18, 28, 68, § 272; 10, 7, 14, § 27; and in a dep. form, id. 14, 2, 4, § 33.