Tableland (4)
'tableland' is the definition.
(I know that tableland can be written as plateau)
This is the entire clue.
(Other definitions for plateau that I've seen before include "Area of flat, high ground" , "Stop progressing" , "Flat-topped height" , "High level land area" , "Table" .)
'tableland' is the definition.
(I know that mesa is a type of tableland)
This is all the clue.
(Other definitions for mesa that I've seen before include "Flat tableland with steep edges" , "In the USA, a steep-sided flat-topped hill" , "Isolated flat-topped hill" , "Flat tableland with steep sides" , "Flat-topped mountain" .)