Definition of field conventicle in US English:

field conventicle

noun

historical
  • An open-air religious meeting, specifically one held by Scottish Presbyterians during the reigns of Charles II and James II & VII.

Origin

Late 17th century. From field + conventicle. Compare field preaching and discussion at conventicle, and compare also field meeting, house conventicle.

Pronunciation

field conventicle

/ˈfiːld kənˌvɛntɪkl/