Delight in single entry (4)

I believe the answer is:

glee

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

'in single entry' is the wordplay.
'in' indicates a hidden word.
'GLEE' can be found hidden inside 'single entry'.

(Other definitions for glee that I've seen before include "Great joy" , "Old English part-song" , "Happiness" , "Part-song for male voices - delight" , "Great merriment" .)

I've seen this clue in The Times.

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