1. [noun] ?The food and beverage a person or animal consumes.
2. [noun] (countable) A controlled regimen of food and drink, as to gain or lose weight or otherwise influence health.
3. [noun] By extension, any habitual intake or consumption.
4. [noun] (countable) (usually capitalized as a proper noun) A council or assembly of leaders; a formal deliberative assembly.
5. [verb] (transitive) To regulate the food of (someone); to put on a diet.
6. [verb] (intransitive) To modify one's food and beverage intake so as to decrease or increase body weight or influence health.
7. [verb] (obsolete) To eat; to take one's meals.
8. [verb] (obsolete) (transitive) To cause to take food; to feed.
9. [adjective] (of a food or beverage) Containing lower-than-normal amounts of fat, salt, sugar, and/or calories.
10. [abbreviation] (microbiology) Abbreviation of direct interspecies electron transfer.
11. [noun] A prescribed selection of foods.
12. [noun] A legislative assembly in certain countries (e.g., Japan).
13. [noun] The usual food and drink consumed by an organism (person or animal).
14. [noun] The act of restricting your food intake (or your intake of particular foods).
15. [verb] Follow a regimen or a diet, as for health reasons; 'He has high blood pressure and must stick to a low-salt diet'.
16. [verb] Eat sparingly, for health reasons or to lose weight.