diarrhoea n 1: frequent and watery bowel movements; can be a symptom of infection or food poisoning or colitis or a gastrointestinal tumor [syn: {diarrhea}, {diarrhoea}, {looseness of the bowels}, {looseness}]
Diarrhea \Di`ar*rhe"a\, Diarrhoea \Di`ar*rh[oe]"a\, (d[imac]`ar*r[=e]"[.a]), n. [L. diarrhoea, Gr. dia`rroia, fr. dia`rrei^n to flow through; dia` + "rei^n 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. Diarrheal