Most populous continent (4)
I believe the answer is:
asia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">most populous continent</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 asia that I've seen before include "Largest land-mass" , "Great continent" , "group of countries" , "Continent of the Hindu Kush" , "Continent in which India is situated" .)