Crossword Genius

Prohibitor's flags (7)

Ross

I believe the answer is:

banners

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

'flags' is the definition.
(banner is a kind of flag)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for banners that I've seen before include "Long strips with messages hung in public places" , "Newspaper headlines or flags" .)

I've seen this clue in the Sydney Morning Herald.
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