Crossword Genius

One with multiple branches in Kiel malls (3)

Ross

I believe the answer is:

elm

I'm a little stuck... Click here to teach me more about this clue!

'one with multiple branches in kiel malls' is the definition.
I can't tell whether this defines the answer.

'in kiel malls' is the wordplay.
'in' says the answer is hidden in the clue.
'ELM' is hidden in the letters of 'kiel malls'.

Can you help me to learn more?

(Other definitions for elm that I've seen before include "Tough timber" , "Furniture wood" , "Gray's rugged tree (Elegy)" , "Kind of tree" , "What's seen in parks" .)

I've seen this clue in The Sunday Times and The Times.
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