Ceremonial chair (6)
I believe the answer is:
throne
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ceremonial chair</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 throne that I've seen before include "Sovereign's seat" , "toilet" , "heads" , "A king or queen sits on it" , "Seat of royal power" .)