English

Adjective

genethliacal ‎(comparative more genethliacal, superlative most genethliacal)

1. (archaic) Genethliac; relating to the casting of horoscopes based on one's birth.
   • 1621, Robert Burton, The Anatomy of Melancholy, I.2.4.vii:

     I may say the same of these genethliacal studies: what is astrology but vain elections, predictions?