Webster’s Revised Unabridged Dictionary · 1913
Diarrhea
Di′ar·rhe′a, Di′ar·rhœ′a, (dī′ar·rē′ȧ), n. [L. diarrhoea, Gr. διάρροια, fr. διάρρεῖν to flow through; διά + ρεἷν to flow; akin to E. stream. See Stream.] (Med.) A morbidly frequent and profuse discharge of loose or fluid evacuations from the intestines, without tenesmus; a purging or looseness of the bowels; a flux.