Ontario's capital (7)
I believe the answer is:
toronto
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ontario's capital</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 toronto that I've seen before include "Ontario's capital" , "Transatlantic city" , "Ontarian capital" , "Capital city of Ontario" , "Provincial capital" .)