Flowers garlanded in sleigh (3)

I believe the answer is:

lei

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'flowers' is the definition.
(a Hawaiian wreath of flowers)

'in sleigh' is the wordplay.
'in' indicates the answer is hidden within the clue.
'LEI' is hidden in the letters of 'sleigh'.

'garlanded' is the link.
This may not be correct. It may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for lei that I've seen before include "Honolulu chain of flowers" , "change in E. Europe" , "Hawaiian garland - Romanian money" , "Bloomers on line" , "Polynesian garland of flowers" .)

I've seen this clue in The Mirror.

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