Leading light (8)
(Another definition for headlamp that I've seen is " Chief light on car".)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">leading light</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for luminary that I've seen before include "Person who inspired others" , "Prominent member of a group" , "Influential person" , "Worthy" , "star" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">leading light</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for star that I've seen before include "Celeb" , "Polaris, possibly" , "One at the top of the bill" , "- - of Bethlehem" , "Top-of-the-bill artist" .)