Crossword Genius

Star of many westerns? (5)

Ross

I believe the answer is:

badge

I'm a little stuck... Click here to teach me more about this clue!

'star' is the definition.
(thesaurus)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for badge that I've seen before include "medal" , "Emblem signifying rank, membership etc" , "Shield" , "Symbol worn for identification" , "Insignia (of office?)" .)

I've seen this clue in The Sun.
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