1. (a.) Being in the interior country; distant from the coast or seashore; as, midland towns or inhabitants.

2. (a.) Surrounded by the land; mediterranean.

3. (n.) The interior or central region of a country; -- usually in the plural.

amidships average central core equatorial equidistant halfway heartland hinterland inland inlands inshore interior intermediary intermediate mean medial median mediocre mediterranean medium mesial mezzo mid middle middlemost middling midlands midmost midships midway nuclear up-country