ptolemaic : Idioms & Phrases
ptolemaic dynasty
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noun an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra
Ptolemy.
WordNet
Ptolemaic system
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noun (astronomy) Ptolemy's model of the universe with the Earth at the center
WordNet
(Astron.) , the system maintained by Ptolemy, who supposed the earth to be fixed in the center of the universe, with the sun and stars revolving around it. This theory was received for ages, until superseded by the Copernican system.