Make a formal speech contributing to camper or a tent (8)

I believe the answer is:

perorate

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'make a formal speech contributing to camper or a tent' is the definition.
I can't tell whether this defines the answer.

'contributing to camper or a tent' is the wordplay.
'contributing to' indicates a hidden word (the answer contributes to part of the clue ).
'PERORATE' is hidden within 'camper or a tent'.

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(Other definitions for perorate that I've seen before include "Conclude speech" , "Speak at length" , "Use rhetoric" , "finish speaking" , "Give a lecture" .)

I've seen this clue in The Guardian.

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