Northern hemisphere? (5)
I believe the answer is:
igloo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">northern hemisphere?</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for igloo that I've seen before include "Snow house" , "Ice house for Eskimo" , "Inuit building" , "native dwelling" , "Home in the far north?" .)