Sod; territory (4)
I believe the answer is:
turf
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">sod</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that sod can be written as turf)</span><br/ ><br/ >'<span class="explanation-format__original">territory</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that turf is a type of city district)</span><br/ ><br/ ></span>
(Other definitions for turf that I've seen before include "Gang's territory" , "Slab for lawn" , "Gang territory" , "Layer of matted earth and grass" , "Horse racing, generally" .)