South African expanse
I believe the answer is:
veldt
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">south african expanse</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for veldt that I've seen before include "Southern African prairie" , "South African grassland" , "S. Afr. open grassland" , "Southern African grassland" , "South African plain" .)