The DICT Development Group

  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

  diarrhea
      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]

  101 Moby Thesaurus words for "diarrhea":
     BM, abscess, ague, anemia, ankylosis, anoxia, apnea, asphyxiation,
     asthma, ataxia, atrophy, backache, bleeding, blennorhea,
     bloody flux, bowel movement, cachexia, cachexy, cardialgia,
     catharsis, chill, chills, cholera morbus, colic, constipation,
     convulsion, costiveness, coughing, crap, cyanosis, defecation,
     dejection, dizziness, dropsy, dysentery, dyspepsia, dyspnea, edema,
     emaciation, evacuation, fainting, fatigue, fever, fibrillation,
     flux, gripe, gripes, growth, heartburn, hemorrhage,
     high blood pressure, hydrops, hypertension, hypotension, icterus,
     indigestion, inflammation, insomnia, irregularity, itching,
     jaundice, labored breathing, lientery, loose bowels,
     low blood pressure, lumbago, marasmus, movement, nasal discharge,
     nausea, necrosis, obstipation, pain, paralysis, pruritus,
     purgation, purge, pyrosis, rash, rheum, runs, sclerosis, seizure,
     shit, shits, shock, skin eruption, sneezing, sore, spasm, stool,
     tabes, tachycardia, trots, tumor, turistas, upset stomach, vertigo,
     voidance, vomiting, wasting