Definition of Pneumatomachian in US English:

Pneumatomachian

noun

Church History
  • A member of a 4th cent. sect who denied the divinity or personality of the Holy Spirit.

adjective

Church History
  • Of, relating to, or characteristic of Pneumatomachians.

Origin

Mid 17th century; earliest use found in David Dickson (c1583–1662), Church of Scotland minister and theologian. From post-classical Latin Pneumatomachos or its etymon Byzantine Greek πνευματομάχος + -ian.