School for martial arts (4)
I believe the answer is:
dojo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">school for martial arts</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 dojo that I've seen before include "Combat centre" , "place of karate" .)