Source : Webster's Revised Unabridged Dictionary (1913)

Classis \Clas"sis\, n.; pl. {Classes}. [L. See {Class}, n.]
   1. A class or order; sort; kind. [Obs.]

            His opinion of that classis of men.   --Clarendon.

   2. (Eccl.) An ecclesiastical body or judicatory in certain
      churches, as the Reformed Dutch. It is intermediate
      between the consistory and the synod, and corresponds to
      the presbytery in the Presbyterian church.