Crossword Genius

Small conifer cultivated for use in court (8)

Ross

I believe the answer is:

forensic

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'for use in court' is the definition.
I can't tell whether this definition defines the answer.

'small conifer cultivated' is the wordplay.
'small' becomes 's' (abbreviation - e.g. clothes size).
'cultivated' indicates an anagram.
's'+'conifer'='sconifer'
'sconifer' with letters rearranged gives 'FORENSIC'.

Can you help me to learn more?

(Other definitions for forensic that I've seen before include "Of or used in lawcourts, as in medical matters" , "Of the application of science to solve crime" , "Appropriate to argument" , "Concerned with the scientific side of the law" , "adapted to argument" .)

I've seen this clue in The Times.
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