Definition of "metopomancy"

metopomancy

/mɪˈtɒpəmænsi/

noun
uncountable
1. (now historical) Divination by interpreting the facial lines and wrinkles, especially the forehead.
  Quotations
  These elaborate systems of divination, with their subdivisions, such as divination by moles on the face, or lines on the forehead (metopomancy), had been set out in many medieval treatises […].
  1971, Keith Thomas, Religion and the Decline of Magic, Folio Society, published 2012, page 231