Diet word meaning and definition

[noun] the act of restricting your food intake (or your intake of particular foods)
[noun] the usual food and drink consumed by an organism (person or animal)
[noun] a prescribed selection of foods
[noun] a legislative assembly in certain countries (e.g., Japan)
[verb] eat sparingly, for health reasons or to lose weight
[verb] follow a regimen or a diet, as for health reasons

\Di"et\, n. [F. di[`e]te, L. diaeta, fr. Gr. ? manner of living.] 1. Course of living or nourishment; what is eaten and drunk habitually; food; victuals; fare. ``No inconvenient diet.'' --Milton. 2. A course of food selected with reference to a particular state of health; prescribed allowance of food; regimen prescribed. To fast like one that takes diet. --Shak. {Diet kitchen}, a kitchen in which diet is prepared for invalids; a charitable establishment that provides proper food for the sick poor.
\Di"et\, v. t. [imp. & p. p. {Dieted}; p. pr. & vb. n. {Dieting}.] 1. To cause to take food; to feed. [R.] --Shak. 2. To cause to eat and drink sparingly, or by prescribed rules; to regulate medicinally the food of. She diets him with fasting every day. --Spenser.
\Di"et\, v. i. 1. To eat; to take one's meals. [Obs.] Let him . . . diet in such places, where there is good company of the nation, where he traveleth. --Bacon. 2. To eat according to prescribed rules; to ear sparingly; as, the doctor says he must diet.
\Di"et\, n. [F. di[`e]te, LL. dieta, diaeta, an assembly, a day's journey; the same word as diet course of living, but with the sense changed by L. dies day: cf. G. tag day? and {Reichstag}.] A legislative or administrative assembly in Germany, Poland, and some other countries of Europe; a deliberative convention; a council; as, the Diet of Worms, held in 1521.
\Di"et\, n. Specifically: Any of various national or local assemblies; as,
(a) Occasionally, the Reichstag of the German Empire, Reichsrath of the Austrian Empire, the federal legislature of Switzerland, etc.
(b) The legislature of Denmark, Sweden, Japan, or Hungary.
(c) The state assembly or any of various local assemblies in the states of the German Empire, as the legislature (Landtag) of the kingdom of Prussia, and the Diet of the Circle (Kreistag) in its local government.
(d) The local legislature (Landtag) of an Austrian province.
(e) The federative assembly of the old Germanic Confederation (1815 -- 66).
(f) In the old German or Holy Roman Empire, the great formal assembly of counselors (the Imperial Diet or Reichstag) or a small, local, or informal assembly of a similar kind (the Court Diet, or Hoftag). Note: The most celebrated Imperial Diets are the three following, all held under Charles V.: {Diet of Worms}, 1521, the object of which was to check the Reformation and which condemned Luther as a heretic; {D. of Spires, or Speyer}, 1529, which had the same object and issued an edict against the further dissemination of the new doctrines, against which edict Lutheran princes and deputies protested (hence Protestants): {D. of Augsburg}, 1530, the object of which was the settlement of religious disputes, and at which the Augsburg Confession was presented but was denounced by the emperor, who put its adherents under the imperial ban.

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