Ptol·e·ma·ic a. Of or pertaining to Ptolemy, the geographer and astronomer.
Ptolemaic system 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 This theory was received for ages, until superseded by the Copernican system.
adj 1: of or relating to the astronomer Ptolemy
2: of or relating to the geocentric Ptolemaic system; "in the
Ptolemaic system of planetary motion the earth is fixed as
the center of the universe with the sun and moon and
planets revolving around it"