/ Dictionary / Index D dietary law: Meaning and Definition of Find definitions for: di'etary law" Pronunciation: [key] — Judaism. Judaism. law dealing with foods permitted to be eaten, food preparation and combinations, and the utensils and dishes coming into contact with food. Cf. kashruth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dietary fiber dietetic Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language