Plant 3 in Dublin (4)

I believe the answer is:

tree

This clue is a double definition.

'plant' is the first definition.
(tree is a kind of plant)

'3 in dublin' is the second definition.
(how three might sound in an Irish accent)

(Other definitions for tree that I've seen before include "Chestnut or elm?" , "Large shrub with branches" , "Tall wooden plant" , "Laurel, perhaps" , "Plane possibly" .)

I've seen this clue in The Guardian.

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