noun
or di·ar·rhoea ˌdīəˈrēə
( -s )
Etymology: Middle English diaria, from Late Latin diarrhoea, from Greek diarrhoia, literally, act of flowing through, from diarrhein to flow through, from dia- + rhein to flow — more at stream
: an abnormal frequency of discharge of more or less fluid intestinal evacuations due to infectious, fermentative, or toxic causes or physiologic disturbances
• di·ar·rhe·al or di·ar·rhoe·al |dīə|rēəl or di·ar·rhe·ic or di·ar·rhoe·ic -ēik also di·ar·rhet·ic or di·ar·rhoet·ic -red.ik adjective