Caesar's land (5)
I believe the answer is:
terra
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">caesar's land</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 terra that I've seen before include "Legally land" , "Centre" , "Land (Latin)" , "Latin word for earth" , "-- Firma; -- incognita" .)