ergotism
    n 1: poisoning by ingestion of ergot-infected grain products;
         characterized by thirst and diarrhea and nausea and
         cramping and vomiting and abnormal cardiac rhythms; in
         severe cases it can cause seizures and gangrene of the
         limbs

Ergotism \Er"go*tism\, n. [F. ergotisme, fr. L. ergo.]
   A logical deduction. [Obs.] --Sir T. Browne.
   [1913 Webster]

Ergotism \Er"got*ism\, n. [From Ergot, n.; cf. F. ergotisme.]
   (Med.)
   A diseased condition produced by eating rye affected with the
   ergot fungus.
   [1913 Webster]