WordNet (r) 3.0 (2006):

apyretic tetanus
    n 1: clinical neurological syndrome characterized by muscular
         twitching and cramps and (when severe) seizures; associated
         with calcium deficiency (hypoparathyroidism) or vitamin D
         deficiency or alkalosis [syn: tetany, tetanilla,
         intermittent tetanus, intermittent cramp, apyretic
         tetanus]