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Meaning of classis

clas•sis

Pronunciation: (klas'is), [key]
— pl. clas•ses
  1. the organization of pastors and elders that governs a group of local churches; a presbytery.
  2. the group of churches governed by such an organization.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.