Three Wise Men (4)
I believe the answer is:
magi
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">three wise men</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 magi that I've seen before include "Nativity story wise men" , "Star witnesses" , "Caspar, Melchior and Balthasar" , "Christmas travellers" , "Wise men, visitors to Bethlehem" .)