n.
Pronunciation: ' e-p ə - ˌ lep-s ē
Function: noun
Inflected Form: plural -sies
Etymology: Middle English epilencie, from Anglo-French & Latin; Anglo-French epelempsie, modification of Late Latin epilepsia, from Greek epil ē psia, from epilambanein to seize, from epi- + lambanein to take, seize ― more at LATCH
Date: 1543
: any of various disorders marked by abnormal electrical discharges in the brain and typically manifested by sudden brief episodes of altered or diminished consciousness, involuntary movements, or convulsions