Largest Italian island (6)
I believe the answer is:
sicily
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">largest italian island</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 sicily that I've seen before include "Largest Mediterranean island" , "Etna's island" , "Italian island, capital Palermo" , "Large Mediterranean island off Italy" , "Italian island home of the mafia" .)