Great Britain personified (9)
I believe the answer is:
britannia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">great britain personified</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for britannia that I've seen before include "Female personification of main UK island" , "our sitting representative" , "Warrior personifying Great Britain" , "type of metal" , "Figure on fifty pence coins" .)