The Collaborative International Dictionary of English v.0.48:

Examinant \Ex*am"i*nant\, n. [L. examinans, -antis, examining.]
   1. One who examines; an examiner. --Sir W. Scott.
      [1913 Webster]

   2. One who is to be examined. [Obs.] --H. Prideaux.
      [1913 Webster]