Crossword Genius

Poise of Turing say in times past (7)

Ross

I believe the answer is:

balance

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'poise' is the definition.
(synonyms)

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(Other definitions for balance that I've seen before include "Equipoise" , "Rest" , "Surplus" , "Scale for weighing" , "Cab lane (anag)" .)

I've seen this clue in The Sun.
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