from
The Collaborative International Dictionary of English v.0.48
Horoscope \Hor"o*scope\, n. [F. horoscope, L. horoscopus, fr.
Gr. ?, adj., observing hours or times, esp. observing the
hour of birth, n., a horoscope; ? hour + ? to view, observe.
See {Hour}, and {-scope}.]
1. (Astrol.)
(a) 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.
(b) 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.
[1913 Webster]
2. The planisphere invented by Jean Paduanus.
[1913 Webster]
3. A table showing the length of the days and nights at all
places. --Heyse. Horoscoper