as·trol·o·gy (?-strol'?-je)
n.
The study of the positions and aspects of celestial bodies in the belief that they have an influence on the course of natural earthly occurrences and human affairs.
Obsolete. Astronomy.
[Middle English astrologie, from Old French, from Latin astrologia, from Greek astrologia : astro-, astro- + -logia, -logy.]
as·trol'o·ger n.
as'tro·log'i·cal (as'tr?-loj'i-k?l) or as'tro·log'ic adj.
as'tro·log'i·cal·ly adv.

hor·o·scope (hôr'?-skop', hor'-)
n.
The aspect of the planets and stars at a given moment, such as the moment of a person's birth, used by astrologers.
A diagram of the signs of the zodiac based on such an aspect.
An astrological forecast, as of a person's future, based on a diagram of the aspect of the planets and stars at a given moment.
[French, from Old French, from Latin horoscopus, from Greek horoskopos : hora, hour, season + skopos, observer.]

nu·mer·ol·o·gy (nu'm?-rol'?-je, nyu'-)
n.
The study of the occult meanings of numbers and their supposed influence on human life.
[Latin numerus, number; see number + –LOGY.]
nu'mer·o·log'i·cal (-m?r-?-loj'i-k?l) adj.
nu'mer·ol'o·gist n.