Ptolemaic Syllabification: (Ptol·e·ma·ic)Pronunciation: /ˌtäləˈmā-ik/Definition of Ptolemaic adjective 1of or relating to the Greek astronomer Ptolemy or his theories. 2of or relating to the Ptolemies of Egypt (see Ptolemy1.). Ptolemaic in other Oxford dictionaries Definition of Ptolemaic in the British & World English dictionary