Definition of genethliacally in English:

genethliacally

adverb

  • By means of a horoscope; with regard to horoscopes.

Origin

Mid 17th century; earliest use found in John Gaule (1603/4–1687), Church of England clergyman and author. From genethliacal + -ly.

Pronunciation

genethliacally

/ˌdʒɛnɪθˈlʌɪəkli/