DuckCorp Dico

Found one definition

1.                 From Japanese-English FreeDict Dictionary ver. 0.1:
                   
   
   
                   
                     
    [ichi1]  嗽 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 漱 /(en)tʃˈaɪniːz(ja)lˈe̞tə/,  [ichi1] うがい /ɯᵝɡˈäi/
   (noun (common) (futsuumeishi))
    (noun or participle which takes the aux. verb suru)
   含嗽・がんそう
            Note: word usually written using kana alonegargling, rinsing one's mouth