Smallest of the Great Lakes (7)
I believe the answer is:
ontario
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">smallest of the great lakes</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 ontario that I've seen before include "Province of SE Canada, and a Great Lake" , "Canadian province and Great Lake" , "one of the provinces" , "part of N America" , "vast lake" .)