Decorative pillowcase (4)
I believe the answer is:
sham
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">decorative pillowcase</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 sham that I've seen before include "Mock" , "Mash, being false" , "Counterfeit, fake" , "Feign" , "Counterfeit or insincere" .)