Wailing wraith (7)
I believe the answer is:
banshee
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wailing wraith</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 banshee that I've seen before include "Wailing woman from Gaelic myth" , "Irish female spirit who warns of an impending death" , "Howler" , "Portent of death" , "no one wishes to hear" .)