{s} pertaining to any ancient Egyptian king from the Ptolemy dynasty; pertaining to the Greco-Egyptian astronomer and mathematician Claudius Ptolemaeus
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"
The astronomical system of Ptolemy, in which the earth is at the center of the universe with the sun, moon, planets, and stars revolving about it in circular orbits