Five-star Bradley
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">five-star bradley</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 omar that I've seen before include "- Khayyam, Pers. poet" , "and 16 Down: Persian poet" , "Arab" , "old poet" , "- Khayyam, Persian poet, astronomer and mathematician" .)