Definition of midland
1
: the interior or central region of a country
2
capitalized
a
: the dialect of English spoken in the midland counties of England
b
: the dialect of English spoken in an area of the east central U.S. often divided into north Midland extending westward from an area including southern New Jersey; northern Delaware and Maryland; central and southern Pennsylvania; and central Ohio, Indiana, and Illinois and south Midland extending westward and southwestward from an area including the Appalachian regions of Virginia, North Carolina, South Carolina, and Georgia; Tennessee, Kentucky, West Virginia; and southern Ohio, Indiana, and Illinois
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