Betelgeuse's constellation
I believe the answer is:
orion
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">betelgeuse's constellation</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 orion that I've seen before include "Mythical great hunter" , "Mythical Greek hunter turned into constellation" , "Greek hunter became a constellation" , "Great hunter of Greek myth, and a constellation" , "Constellation in the form of a belt" .)