dietary dietary /ˈdaɪəˌtɛri/

adjective

1. () Of or relating to the diet  ( dietetic , dietetical , dietary )
   of or relating to the diet
    Dietary restrictions
   dietary restrictions
   

noun

1. A regulated daily food allowance  ( dietary )
   a regulated daily food allowance
    The doctor prescribed a strict dietary plan to ensure his recovery.
   The doctor prescribed a strict dietary plan to ensure his recovery.