From Longman Dictionary of Contemporary Englishtablelandta‧ble‧land /ˈteɪbəl-lænd/ (also tablelands) noun [countable] technicalSG a large area of high flat land
Examples from the Corpus
tableland• Below is a Gothic fantasy of plunging gorges and isolated mesas - flat tablelands with steep edges - all in paintbox colours.• Across the flat tableland are almost 100 red and orange monolithic sandstone buttes and mesas jutting skywards. 