Lewis & Short

1. Cynŏsūra, ae, f., = Κυνόσουρα (hound’s-tail).

  1. I. The constellation at the north pole, the Cynosura, or Lesser Bear, Cic. Ac. 2, 20, 66; id. poët. N. D. 2, 41, 105 and 106; Caes. Germ. Arat. 187; Ov. F. 3, 107 al.
    Hence,
    1. B. Cynŏsūris, ĭdis, f. adj., of or pertaining to the Cynosura: Ursa, the Lesser Bear, Ov. Tr. 5, 3, 7: cauda, Caes. Germ. Arat. 189.
  2. II. A town in Arcadia, Stat. Th. 4, 295.