Citizen Kane's last word (7)
I believe the answer is:
rosebud
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">citizen kane's last word</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 rosebud that I've seen before include "Young flower (gathering recommended!)" , "J. Foster Kane's last word" , "one with potential to bloom" , "Young flower - Citizen Kane's last word" , "Partially-opened flower" .)