- The representation made of the aspect of the heavens at
the moment of a person's birth, by which the astrologer professed to
foretell the events of the person's life; especially, the sign of the
zodiac rising above the horizon at such a moment. - The diagram or scheme of twelve houses or signs of the
zodiac, into which the whole circuit of the heavens was divided for the
purposes of such prediction of fortune. - The planisphere invented by Jean Paduanus. - A table showing the length of the days and nights at all
places.