Knowledge test (4)
I believe the answer is:
quiz
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">knowledge test</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 quiz that I've seen before include "Test consisting of short questions" , "Distinctive smell" , "General knowledge test" , "Grill" , "Desert water" .)