(dī′ət) noun
1. A regulated course of eating and drinking; a specially prescribed regimen.
2. The daily fare; victuals.
3. Obs. Allowance of food; ration. See synonyms under FOOD.
—v.t.
1. To regulate or restrict the food and drink of.
—v.i.
2. To take food and drink according to a regimen; eat discriminatingly.
3. To take food; eat. [<OF diete <L diaeta <Gk. diaita a way of living]
—di′et·er noun

(dī′ət) noun
1. A legislative assembly.
2. Scot. A single session, as of a court; a day appointed for a session, [<Med. L dieta <L dies a day]

(dī′ət) noun
1. The legislature of certain countries.
2. The semiannual meeting of the estates of the Holy Roman Empire: often distinguished by the name of the city where it was held: the Diet of Worms.