dietary

noun

1. A regulated diet that excludes or constrains certain types of food, especially for health reasons; also, a book or similar setting out such regulations.

   “In general, beets, carrots, and turnips are all of aphrodisiac value in erotic dietary.”

2. A prescribed meal plan setting out how the inhabitants of an institution (such as a prison, hospital etc.) should be fed, and on what foods.

   ““Do I understand that he asked for more, after he had eaten the supper allotted by the dietary?” “He did, sir,” replied Bumble.”

   “I cannot speak with any confidence of the pre-war dietary of asylum patients, which no doubt differs widely in different asylums.”

adj

1. (not-comparable)Pertaining to a prescribed diet; (generally), relating to what a person or animal eats.

   “If you have any dietary requirements, please inform the kitchen staff.”

2. (not-comparable)Comprising a food source.

   “For example, the antitumour depsipeptide kahalalide F was isolated from the opisthobranch mollusc Elysia rufescens, and is used by both the mollusc and its dietary alga Bryopsis spp.”