also: しーぞなる
na-adjective, noun which may take the genitive case particle 'no'
Loanword from English 'seasonal', used as a な-adjective or with の to describe things that vary with or are characteristic of a particular season.
このカフェではシーズナルなメニューが人気だ。
Seasonal menu items are popular at this café.
シーズナルの食材を使った料理を提供しています。
We serve dishes made with seasonal ingredients.