Crossword Genius

Outlaw's trial cut short (3)

Ross

I believe the answer is:

ban

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'outlaw's' is the definition.
(banning is a kind of outlawing)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for ban that I've seen before include "Officially prohibit" , "Embargo" , "the calling of young vassals" , "outlaw" , "Veto" .)

I've seen this clue in The Times.
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