DuckCorp Dico

Found 2 definitions

1.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                   
   
   
                   
                     
   旬 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, しゅん /ɕˈɯᵝɴ/
   (noun (common) (futsuumeishi))
    (nouns which may take the genitive case particle `no')
   (f) Saison, (f) Zeit, in der Früchte, Gemüse etc. am besten schmecken
   
                   
                 

2.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                   
   
   
                   
                     
    [news1]  [nf18]  旬 /(en)tʃˈaɪniːz(ja)lˈe̞tə/,  [news1]  [nf18] じゅん /dʑˈɯᵝɴ/
   (noun (common) (futsuumeishi))
   (1) (f) Dekade, (m) Zeitraum von zehn Tagen, (2) zehn (m) Monate, (3) zehn (n) Jahre