Ptolemy

Other forms: Ptolemies

Definitions of Ptolemy

1. noun

   Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance
   synonyms: Claudius Ptolemaeus

   example of:

   astronomer, stargazer, uranologist

   a physicist who studies astronomy
2. noun

   an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra
   synonyms: Ptolemaic dynasty

   type of:

   dynasty

   a sequence of powerful leaders in the same family