[as.trol.o.gy] n [ME astrologie, fr. MF, fr. L astrologia, fr. Gk, fr. astr- + -logia -logy] (14c) 1 archaic: astronomy
2: the divination of the supposed influences of the stars and planets on human affairs and terrestrial events by their positions and aspects -- as.tro.log.i.cal adj -- as.tro.log.i.cal.ly adv