Specimen; taster (6)
I believe the answer is:
sample
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">specimen</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">taster</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for sample that I've seen before include "Taste(r)" , "Small part intended to represent the whole" , "Experience" , "Small part representative of the whole" , "Representative portion" .)