Wordnet 3.0
NOUN (1)
1.
the north central region of the United States (sometimes called the heartland or the breadbasket of America);
[syn: Midwest, middle west, midwestern United States]
The Collaborative International Dictionary of English v.0.48:
Midwest \Midwest\ n.
The north central region of the U. S.
Syn: Middle West.
[WordNet 1.5]
WordNet (r) 3.0 (2006):
Midwest
n 1: the north central region of the United States (sometimes
called the heartland or the breadbasket of America) [syn:
Midwest, middle west, midwestern United States]