(n)the north central region of the United States (sometimes called the heartland or the breadbasket of America), Syn.middle west, midwestern United States
(adj)of a region of the United States generally including Ohio; Indiana; Illinois; Iowa; Missouri; Kansas; Nebraska; and sometimes Michigan; Wisconsin; Minnesota
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
adj. Of or pertaining to the Midwest region of the U. S., generally including Ohio; Indiana; Illinois; Iowa; Missouri; Kansas; Nebraska; and sometimes Michigan; Wisconsin; Minnesota; as, a midwestern city; midwestern accent. [ WordNet 1.5 ]