from The American Heritage® Dictionary of the English Language, 4th Edition
- An Egyptian dynasty of Macedonian kings (323-30 B.C.). The Ptolemies included Ptolemy I (367?-283?), a general in Alexander the Great's army who succeeded him as ruler of Egypt (323-285), and Ptolemy XV (47-30), who ruled as coregent (44-30) with his mother, Cleopatra.
- Ptolemy 2 fl. second century A.D. Alexandrian astronomer, mathematician, and geographer who based his astronomy on the belief that all heavenly bodies revolve around the earth.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A male given name of Greek origin, borne by historical persons in ancient Egypt.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance
- n. an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra
From Ancient Greek Πτολεμαῖος (Ptolemaios) (Wiktionary)