In our Airbnb we have this climbing wild rose (5)

I believe the answer is:

briar

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

'wild rose' is the definition.
(I've seen this before)

'in our airbnb we have this climbing' is the wordplay.
'BRIAR' is hidden backwards within the letters.
But, I'm uncertain how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for briar that I've seen before include "Prickly scrambling shrub" , "Wild rose bush" , "Wood used for pipes" , "Prickly wooden stem" , "that one may smoke" .)

I've seen this clue in The Independent.

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