Lewis & Short

† ăcanthis, ĭdis, f., = ἀκανθίς.

  1. I. A little bird of a dark-green color, that lives in the thorn bushes, the thistle-finch or goldfinch (pure Lat. carduelis): Fringilla carduelis, Linn.; Plin. 10, 63, 83, § 175; 10, 74, 95, § 205.
  2. II. A plant, called also senecio, groundsel, Plin. 25, 13, 106, § 168.