antidiarrhoeal antidiarrhoeal /ˌæntiˌdaɪəˈriəl/

noun

1. [Canadian, British] A drug used to control or stop diarrhea  ( antidiarrheal [ N. American] , antidiarrheal drug [ N. American] , antidiarrhoeal [Canadian, British] )
   a drug used to control or stop diarrhea