cardŭēlis, is, f. carduus, the thistlefinch, goldfinch: Fringilla carduelis, Linn.; Plin. 10, 42, 57, § 116; Petr. 46, 4; cf. Serv. et Prob. Verg. G. 3, 338; Isid. Orig. 12, 7, 74.