Irish lass (7)
I believe the answer is:
colleen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">irish lass</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 colleen that I've seen before include "Irish girl, English version" , "Young Irish woman" , "Gaelic girl with English spelling" , "Irish miss" , "Irish lass" .)