I. ˈdīəˌterē, -ri noun
( -es )
Etymology: Middle English dietarie, from diete + -arie -ary (n. suffix)
1. obsolete : a rule of diet ; also : a treatise or discourse on such rules
2. : an allowance or quantity of food provided or eaten by an individual, group, or population in accord with medical or other orders, availability, or social and economic controls
the American dietary
the dietary changes according to need and age
II. adjective
Etymology: diet (I) + -ary (adjective suffix)
: of or related to a diet or to the rules of diet
dietary foods
dietary habits
a dietary disease
dietary cuisine