Definition of grand mal noun from the Oxford Advanced Learner's Dictionary


grand mal

BrE BrE//ˌɡrɒ̃ ˈmæl//
; NAmE NAmE//ˌɡræn ˈmɑːl//
, NAmE//ˌɡræn ˈmæl//
[uncountable] (from French, medical)
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a serious form of epilepsy in which somebody becomes unconscious for fairly long periods Word Originlate 19th cent.: from French, literally ‘great sickness’.
See the Oxford Advanced American Dictionary entry: grand mal