Lewis & Short

Hipparchus, i, m., = Ἷππαρχος.

  1. I. A son of Pisistratus tyrant of Athens, and brother of Hippias, killed by Harmodius and Aristogiton, Gell. 17, 21, 7.
  2. II. A celebrated astronomer of Nicœa, Cic. Att. 2, 6, 1; Plin. 2, 26, 24, § 95; 2, 12, 9, § 53; 2, 77, 79, § 188; Mel. 3, 7, 7 al.