Crossword Genius

In cooler temperature, child is delivered (6)

Ross

I believe the answer is:

infant

'child is delivered' is the definition.
I can't tell whether this definition defines the answer.

'in cooler temperature' is the wordplay.
'cooler' becomes 'fan' (I've seen this before).
'temperature' becomes 't' (abbreviation).
'in'+'fan'+'t'='INFANT'

(Other definitions for infant that I've seen before include "Juvenile" , "Tot" , "Babe" , "Youngster" , "Very young child or baby" .)

I've seen this clue in The Telegraph.
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