food-n; 3 Senses

Sense Number 1: a nutrient, any nourishing substance

Commentary: FOOD[+substance][+physical][+nutrient]

The fast food industry is under pressure to eliminate trans-fats from their products.
Plants use sunlight to make their own food.
The government has modified the food pyramid in recent years.
The food critics are raving about the new French-Cuban restaurant.
The chef's duck confit with burgundy sauce and truffles is food for the gods!

WordNet 3.0 Sense Numbers: 1

Sense Number 2: nutrient in a solid form

Commentary: FOOD[+substance][+physical][+nutrient][+solid]
NOTE: the emphasis of this sense is on the solidity, in contrast to a liquid

Will they serve us food and drink on the patio?
John is tired of his liquid diet and wants some real food.
The airlines are charging for food on board nowadays, but juice and soda are still free.

WordNet 3.0 Sense Numbers: 2

Sense Number 3: anything that challenges or sustains contemplation

Commentary: FOOD[+abstract][+content]

His lecture on the future of cloning contained much food for thought.
Poetry is food for the soul.

WordNet 3.0 Sense Numbers: 3