Descriptive word or phrase (7)
I believe the answer is:
epithet
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">descriptive word</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">phrase</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(an epithet is a descriptive phrase)</span><br/ ><br/ ></span>
(Other definitions for epithet that I've seen before include "qualifier" , "title" , "nickname" , "Fitting description" , "Appellation" .)