horoscope

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The aspect of the planets and stars at a given moment, such as the moment of a person's birth, used by astrologers.
• noun A diagram of the signs of the zodiac based on such an aspect.
• noun 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.

from The Century Dictionary.

• noun In astrology: That part of the ecliptic which is on the eastern horizon at the instant of a nativity.
• noun The figure or diagram of the twelve houses of heaven, with the positions of the planets, used by astrologers in calculating nativities and in answering horary questions.
• noun A kind of planisphere, invented by John of Padua.
• noun A table of the length of the days and nights at different places.

from the GNU version of the Collaborative International Dictionary of English.

• noun 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.
• noun 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.
• noun The planisphere invented by Jean Paduanus.
• noun A table showing the length of the days and nights at all places.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun an astrological forecast of a person's future based on such information
• noun the position of the planets and stars at the moment of someone's birth; a diagram of such positions

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a prediction of someone's future based on the relative positions of the planets
• noun a diagram of the positions of the planets and signs of the zodiac at a particular time and place