Manx cat's lack (4)
I believe the answer is:
tail
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">manx cat's lack</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 tail that I've seen before include "Trail (behind comet)" , "Hindmost part" , "Flexible part that extends from an animal's rear" , "part of coat" , "Feebler batsmen" .)