Crossword Genius

Berating us about jet engine, say (3,7)

Ross

I believe the answer is:

gas turbine

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

'jet engine say' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe there's an association between them I don't understand?

'berating us about' is the wordplay.
'about' indicates anagramming the letters.
'berating'+'us'='beratingus'
'beratingus' with letters rearranged gives 'GAS-TURBINE'.

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I've seen this clue in The Daily Express.
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