Bread or bread-like baked goods of any sort.
Any of the ingredients for making bread, especially as commodities in trade and especially the principal ones, namely, flour/meal or the grain with which to mill it (such as wheat, oats, rye, or any other cereal grain).
A foodstuff.
Any solid substance that can be consumed by living organisms, especially by eating, in order to sustain life.
Anything that nourishes or sustains.