What to wear for a Spanish dance (6)

I believe the answer is:

bolero

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'spanish dance' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for bolero that I've seen before include "Steps" , "Famous Ravel work" , "Spanish dance and a type of jacket" , "attire" , "Arrange to rob Leo during the dance" .)

I've seen this clue in The Irish News.

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