Definition of vaticinator in US English:

vaticinator

noun

rare
  • A person who foretells the future.

    ‘a vaticinator at the sanctuary uttered divinely inspired predictions’

Origin

Mid 17th century: see vaticinate.

Pronunciation

vaticinator

/vəˈtis(ə)nˌādər//vəˈtɪs(ə)nˌeɪdər/