material consisting essentially of protein, carbohydrate, and fat, along with minerals, vitamins, etc, taken into the body of a living organism and used to provide energy and sustain processes essential for life
inorganic substances absorbed, e.g. in gaseous form or in solution, by plants
nourishment in solid form
There is no love sincerer than the love of food — George Bernard Shaw
something that sustains or supplies
food for thought
[Old English fōda]