- of or relating to diet: a dietary cure.
- a regulated allowance of food.
- Obsolete. a system or course of diet.
Origin of dietary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of or relating to a diet
- a regulated diet
- a system of dieting
Word Origin and History for dietarily
1610s, from Medieval Latin dietarius, from Latin diaetarius, from diaeta (see diet (n.1)).
Online Etymology Dictionary, © 2010 Douglas Harper
- Of or relating to diet.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.