Definition of astronomien in US English:

astronomien

noun

rare, historical
  • An astronomer, an astrologer.

Origin

Middle English; earliest use found in Arthour and Merlin. From Anglo-Norman and Middle French astronomien from astronomie + -ien. Compare Franco-Provençal estrolomien, Old Occitan astronomian.

Pronunciation

astronomien

/ˌastrəˈnəʊmɪən/