Source : Webster's Revised Unabridged Dictionary (1913)

Class \Class\, v. t. [imp. & p. p. {Classed}; p. pr. & vb. n.
   {Classing}.] [Cf. F. classer. See {Class}, n.]
   1. To arrange in classes; to classify or refer to some class;
      as, to class words or passages.

   Note: In scientific arrangement, to classify is used instead
         of to class. --Dana.

   2. To divide into classes, as students; to form into, or
      place in, a class or classes.