ˈCorn Belt, the
a large area in the central part of the US which produces a lot of corn (= maize in British English) as food for cattle. It includes Iowa, Illinois, Indiana, and parts of other states.

[TahlilGaran] Dictionary of Contemporary English ▲

corn belt
n.
1. The Midwest; the agricultural section of the United States where much corn is grown.
Kansas is one of the slates that lies within the corn belt.

[TahlilGaran] English Idioms Dictionary ▲