Venetian explorer (5,4)
I believe the answer is:
marco polo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">venetian explorer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for marco polo that I've seen before include "Traveller between 15 dn and 6 dn" , "Venetian adventurer" , "Venetian explorer of China in 13th/14th centuries" , "traveller in East" , "Old travelling salesman" .)