Babbling guru's oral meandering (9)

I believe the answer is:

garrulous

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'babbling' is the definition.
Although both the answer and definition are adjectives, I don't understand how they can define each other.

'guru's oral meandering' is the wordplay.
'meandering' is an anagram indicator.
'gurus'+'oral'='gurusoral'
'gurusoral' is an anagram of 'GARRULOUS'.

Can you help me to learn more?

(Other definitions for garrulous that I've seen before include "Chatty" , "Verbose" , "Voluble - oral gurus (anag)" , "Excessively talkative" , "Loquacious and voluble" .)

I've seen this clue in The Independent.

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