World's second-largest country (6)
I believe the answer is:
canada
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">world's second-largest country</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 canada that I've seen before include "part of the world" , "Land of the Great Lakes" , "North American nation" , "Large country" , "Part of North America" .)