Copper alloy (6)
(Other definitions for brass that I've seen before include "Alloy of copper and zinc" , "Money - cheek!" , "Alloy; money" , "Descriptive of 7's instrument" , "instrumental group" .)
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">copper</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">alloy</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(bronze is a kind of alloy)</span><br/ ><br/ ></span>
(Other definitions for bronze that I've seen before include "Third-place medal" , "Get a tan" , "Third place medal" , "Tan; metal alloy" , "Third place - alloy" .)