noun
1. Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance
• Syn: ↑Claudius Ptolemaeus
• Derivationally related forms: ↑Ptolemaic
• Instance Hypernyms: ↑astronomer, ↑uranologist, ↑stargazer
2. an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra
• Syn: ↑Ptolemaic dynasty
• Hypernyms: ↑dynasty
• Member Meronyms: ↑Ptolemy I, ↑Ptolemy II
Useful english dictionary. 2012.