"The Pirates of Penzance" heroine (5)
I believe the answer is:
mabel
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the pirates of penzance heroine</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 mabel that I've seen before include "Female name deriving from one meaning lovable" , "Lady" , "Musical, Mack & --" , "Blame (anag.), lady's name" , "Woman" .)