| an intestinal disorder characterized by abnormal frequency and fluidity of fecal evacuations. |

The frequent passage of abnormally watery feces, which is a sign of illness.
diarrhea di·ar·rhe·a or di·ar·rhoe·a (dī'ə-rē'ə)
n.
Excessive and frequent evacuation of watery feces.
| diarrhea (dī'ə-rē'ə) Pronunciation Key
Excessive and frequent evacuation of watery feces, usually a symptom of a gastrointestinal disorder. Severe, prolonged diarrhea can lead to dehydration. |