Sister of Moses and Aaron (6)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sister of moses and aaron</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 miriam that I've seen before include "Sister of Moses and Aaron" , "Things classed together" , "woman" , "-- Makeba, South African singer" , "Biblical sister of Moses" .)