Crossword Genius

Carries plough like a statue? (5-5)

Ross

I believe the answer is:

stock-still

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

'like a statue?' is the definition.
I can't judge whether this definition defines the answer.

'carries plough' is the wordplay.
'carries' becomes 'stocks' ('stock' can be a synonym of 'carry').
'plough' becomes 'till' (I've seen this before).
'stocks'+'till'='STOCK-STILL'

Can you help me to learn more?

(Other definitions for stock-still that I've seen before include "Without any movement" , "Absolutely motionless" , "Completely motionless" .)

I've seen this clue in The Sunday Times.
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