Hipparchus, A notable Astronoer that wrote against Plato. Also a comicall poet. It is also the sonne of Pisistratus the tyrant,
Lewis and Short: Latin dictionary
Hipparchus, i, m., = *(/ipparxos. I.A son of Pisistratus tyrant of Athens, and brother of Hippias, killed by Harmodius and Aristogiton, Gell. 17, 21, 7.—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.