Definition of field preacher in English:

field preacher

noun

historical
  • A person who preaches in the open air, especially a nonconformist or dissenting sermonizer.

Origin

Late 17th century; earliest use found in John Brown (c1610–1679), Church of Scotland minister. From field + preacher, probably after field preaching.

Pronunciation

field preacher

/ˈfiːld ˌpriːtʃə/