Fireplace bit (5)
I believe the answer is:
ember
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fireplace bit</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ember that I've seen before include "Remnant of bonfire" , "Glower" , "Glowing remainder of a fire" , "Fire remnant" , "Glowing coal; type of goose" .)