adj.
1.being in or of a region of the United States 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 and Wyoming and Colorado
2.situated in the northern part of a centrally located area in some geographical region
Idiom of the Day
in a world of one's own
in deep thought or concentration, not caring about other people
The boy is in a world of his own and he does not notice what other people say or think.