1. (n.) Course of living or nourishment; what is eaten and drunk habitually; food; victuals; fare.

2. (n.) A course of food selected with reference to a particular state of health; prescribed allowance of food; regimen prescribed.

3. (v. t.) To cause to take food; to feed.

4. (v. t.) To cause to eat and drink sparingly, or by prescribed rules; to regulate medicinally the food of.

5. (v. i.) To eat; to take one's meals.

6. (v. i.) To eat according to prescribed rules; to ear sparingly; as, the doctor says he must diet.

7. (n.) 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.