Sport with mallets
I believe the answer is:
polo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sport with mallets</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 polo that I've seen before include "Game, anagram of ..." , "Hockey on horseback" , "Equestrian sport" , "Horsey ball game" , "Sport - mint - explorer" .)