Layout of the esplanade (4)

I believe the answer is:

plan

'layout' is the definition.
(thesaurus)

'of the esplanade' is the wordplay.
'of' says the answer is hidden in the clue.
'PLAN' is hidden within 'esplanade'.

(Other definitions for plan that I've seen before include "Scale drawing of a structure" , "Arrangement" , "Programme" , "Map; intention" , "Aim" .)

I've seen this clue in the Evening Standard.

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