1. (n.) An astrologer.

2. (n.) One who is versed in astronomy; one who has a knowledge of the laws of the heavenly orbs, or the principles by which their motions are regulated, with their various phenomena.

Chaldean astroalchemist astrogeologist astrographer astrologer astrologian astromancer astronomer astrophysicist genethliac horoscoper horoscopist radar astronomer radio astronomer solar physicist uranographer uranographist uranologist uranometrist