ptolemy

Noun ptolemy has 2 senses

• ptolemy(n = noun.person) claudius ptolemaeus - Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance;
is a kind of astronomer, stargazer, uranologist
Derived form adjective ptolemaic₁

• ptolemy(n = noun.group) ptolemaic dynasty - an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra;
is a kind of dynasty