Sentence:  Here, a spatial <WSD>polychoric</WSD> effect is attained in an acoustical polarity between the deaconesses and missionaries in the "hallelujah corner" and the deacons in the "amen corner," or in churches where the seating arrangement is segregated by gender. 
Meaning of the word marked with <WSD> tags:  Of or pertaining to the use of more than one chorus; that uses or is intended to use more than one chorus.