Bread (noun)

1. A staple food made of flour or meal that is mixed with liquid, usually water or milk, and often yeast or another leavening agent, and then baked.
2. Food in general, or money to buy food.
3. The main or most important part of something.

Origin:

Old english brēad; akin to old high german brōt bread, latin panis bread, greek artos bread.

Examples:

1. She made a sandwich with bread and cheese.
2. Bread is a staple food in many cultures.
3. He needed bread to feed his family.
4. Bread is the staff of life.
5. The bread and butter of the company's business is its core product line.