Source : Webster's Revised Unabridged Dictionary (1913)

Fitch \Fitch\ (?; 224), n.; pl. {Fitches}. [See {Vetch}.]
   1. (Bot.) A vetch. [Obs.]

   2. pl. (Bot.) A word found in the Authorized Version of the
      Bible, representing different Hebrew originals. In Isaiah
      xxviii. 25, 27, it means the black aromatic seeds of
      {Nigella sativa}, still used as a flavoring in the East.
      In Ezekiel iv. 9, the Revised Version now reads spelt.