Expanse of land (5)
I believe the answer is:
tract
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">expanse of 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 tract that I've seen before include "Part of body" , "Piece of writing" , "Large area; treatise" , "Pamphlet; area of land" , "anthem" .)