Mounds (8)
I believe the answer is:
hillocks
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mounds</span>' is the definition.<br/ ><span class="explanation-format__explanation">('hillock' can be a synonym of 'mound')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for hillocks that I've seen before include "Small mounds" , "Knolls, mounds" , "Raised lumps" .)