Cube-shaped (4)
I believe the answer is:
boxy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cube-shaped</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 boxy that I've seen before include "Having a square appearance" , "Squarish in shape" .)