Noun

1. The historical, especially archeological, study of astronomy; the study of the astronomical systems and methods of ancient cultures often embracing the astrology and cosmology of the past.
   • 1979, John Howland Rowe, "Review: Archaeoastronomy in Meso America and Peru," Latin American Research Review, vol. 14, no. 2, p. 227:

     Archaeoastronomy is an endeavor to find out something about ancient astronomy and related matters through the use of archeological data and the study of ancient texts.