A degree in dancing (4)

I believe the answer is:

step

I believe this is a double definition.

'a degree' is the first definition.
(thesaurus)

'dancing' is the second definition.
(step dancing is a kind of dancing)

'in' is the link.

(Other definitions for step that I've seen before include "Prefix meaning related by remarriage" , "Pace; foothold" , "Action of the leg" , "Measure - pace" , "Measure taken" .)

I've seen this clue in the Evening Standard.

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