n a disorder of the central nervous system characterized by periodic loss of consciousness with or without convulsions. In some cases it is due to brain damage but in others the cause is unknown
See also →
grand mal →
(C16: from Late Latin epilepsia, from Greek, from epilambanein to attack, seize, from lambanein to take)
English Collins Dictionary - English Definition & Thesaurus
Add your entry in the Collaborative Dictionary.