Cornmeal

Cornmeal is a meal (coarse flour) ground from dried corn (maize).

[1][2][3] In Mexico and Louisiana, very finely ground cornmeal is referred to as corn flour.

[1][4] When fine cornmeal is made from maize that has been soaked in an alkaline solution, e.g., limewater (a process known as nixtamalization), it is called masa harina (or masa flour), which is used for making arepas, tamales, and tortillas.

[5] Boiled cornmeal is called polenta in Italy and is also a traditional dish and bread substitute in Romania.

[6] There are various types of cornmeal: In parts of northern India and Pakistan ground corn flour is used to make thick slabs of bread which can be eaten with a wide variety of curry dishes or it can be coated in clarified butter or ghee and eaten with yogurt or lassi, a yogurt-based drink.

Southern Africa's Nshima cornmeal (top right corner), served with three relishes .
Grindstones inside Mingus Mill, in the Great Smoky Mountains of North Carolina . Corn is placed in a hopper (top right) which slowly feeds it into the grindstone (center). The grindstone grinds the corn into cornmeal, and empties it into a bucket (lower left). The grindstones are turned by the mill's water-powered turbine.
A corn muffin