Cataplexy
Pronunciation : Cat"a*plex`y
Part of Speech : n.
Definition : Defn: A morbid condition caused by an overwhelming shock or extreme fear and marked by rigidity of the muscles. -- Cat`a*plec"tic (#), a.
[Gr. amazement: cf. Apoplexy.] (Med.)
Source : Webster's Unabridged Dictionary, 1913