( BrE ) ( NAmE diar·rhea ) / ˌdaɪəˈrɪə; NAmE -ˈriːə/ (also informal the runs ) noun
[ U ] an illness in which waste matter is emptied from the bowels much more frequently than normal, and in liquid form :
Symptoms include diarrhoea and vomiting.
••
WORD ORIGIN
late Middle English : via late Latin from Greek diarrhoia , from diarrhein flow through , from dia through + rhein to flow.