lowland has definitions from the field of geography
1
[ noun ] (geography) low level country

Used in print

(Edward P. Lawton, "Northern Liberals and Southern...)

Also , we should not even to-day discount the fact that a region such_as the coastal lowlands centering_on Charleston had closer ties with England and the West_Indies than with the North even after independence .

2
[ adjective ] of relatively low or level country

Related terms

upland low-lying

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