Crossword Genius

Star appearing in 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 don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for badge that I've seen before include "Identifying emblem" , "Distinguishing symbol" , "medal" , "Insignia (of office?)" , "Shield" .)

I've seen this clue in The Independent and The Sun.
Want a hint initially instead of a full solution? Install my app