Word Study
north-central
CIDE DICTIONARY
north-central, adj.
Of or pertaining to a region of the U. S. generally including states of the upper Mississippi valley and Great Lakes region lying north of the Ohio River and the southern boundaries of Kansas and Missouri and between the western boundary of Pennsylvania and the eastern boundaries of Montana; Wyoming; and Colorado. [WordNet 1.5]
For further exploring for "north-central" in Webster Dictionary Online