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).
Bread or bread-like baked goods of any sort.
A thick, malleable substance made by mixing flour with other ingredients such as water, eggs, and/or butter, that is made into a particular form and then baked.
To make into dough.