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.

A form of interpreting the destiny of a person according to the position of the planets at the time of birth.

In astrology, a chart of the heavenly bodies that shows the relative positions of the planets at a certain moment in time. With the exact time and place of a birth, an astrologer can cast a horoscope from which to define the subject's character and advise them on future courses of action.