selenomancy
nounEtymology From seleno- + -mancy.
1
Divination by the appearance and phases of the moon. Similar to lunomancy.
- He is openly incredulous about the gem glossopetra, shaped like a human tongue and supposed to fall from the sky during an eclipse of the moon and to be invaluable in selenomancy.1923, Lynn Thorndike, A History of Magic and Experimental Science, page 98:
- For millennia we have tried to fathom it: via selenography and selenomancy, poetry and algebra, robots and rockets.2019, Leah Hager Cohen, Strangers and Cousins, page 240: