Well-known witch's cat? (8)
I believe the answer is:
familiar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">well-known witch's cat?</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for familiar that I've seen before include "Witch's companion" , "Conservant with the witch's cat?" , "Well-known; usual" , "Well known like witch's servant" , "Well-known witch's cat" .)