Definition of immantation in English:

immantation

noun

historical
  • The investiture of a newly elected pope with the mantum, a papal vestment consisting of a long red or purple cope, as part of the coronation ceremony.

Origin

Late 19th century; earliest use found in The Academy: a monthly record of literature, learning, science, and art. From post-classical Latin immantation-, immantatio from immantat-, past participial stem of immantare to clothe with a mantle from classical Latin im- + post-classical Latin mantum mantle + classical Latin -iō.

Pronunciation

immantation

/ˌɪmənˈteɪʃn/