Courage, spirit (6)
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">courage</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(mettle is a kind of courage)</span><br/ ><br/ >'<span class="explanation-format__original">spirit</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(mettle is a kind of spirit)</span><br/ ><br/ ></span>
(Other definitions for mettle that I've seen before include "Fortitude" , "boldness" , "The courage to carry on" , "'Nerve, heart, courage (6)'" , "Temperament; courage" .)
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">courage</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(heart is a kind of courage)</span><br/ ><br/ >'<span class="explanation-format__original">spirit</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(heart can mean spirit or personality)</span><br/ ><br/ ></span>
(Other definitions for heart that I've seen before include "Player for Scottish team" , "Core, courage" , "It's in the chest" , "Middle" , "Not a club" .)