Crossword Genius

One maintaining uprightness in wild orgy (4)

Ross

I believe the answer is:

gyro

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'one maintaining uprightness' is the definition.
Although both the answer and definition are singular nouns, I cannot see how one could define the other.

'wild orgy' is the wordplay.
'wild' indicates anagramming the letters.
'orgy' anagrammed gives 'GYRO'.

'in' acts as a link.

Can you help me to learn more?

(Other definitions for gyro that I've seen before include "Rotating device providing stability" , "Type of spinning compass" , "Stabilising device" , "Spin-stabilised device" , "Rotating stabiliser" .)

I've seen this clue in The Times.
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