The food and beverage a person or animal consumes.
The diet of the Giant Panda consists mainly of bamboo.
2
A controlled regimen of food and drink, as to gain or lose weight or otherwise influence health.
3
(by extension) Any habitual intake or consumption.
He's been reading a steady diet of nonfiction for the last several years.
adjective
1
(of a food or beverage) Containing less fat, salt, sugar, or calories than normal, or claimed to have such.
diet soda
2
Having certain traits subtracted.
You folks reduce it to the bible only as being authoritative, impoverishing the faith. "Christianity Lite", diet Christianity for those who can't handle the Whole Meal.