DuckCorp Dico

Found one definition

1.                 From Japanese-English FreeDict Dictionary ver. 0.1:
                   
   
   
                   
                     
   膾 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 鱠 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, なます /nämˈäsɯᵝ/
   (noun (common) (futsuumeishi))
    [food term]
            Note: word usually written using kana alonedish of raw fish and vegetables seasoned in vinegar