Single nomad's nose (5)

I believe the answer is:

aroma

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

'single nomad's' is the wordplay.
'single' becomes 'a'.
'nomad' becomes 'roma' (the Roma are a nomadic people).
'a'+'roma'='AROMA'

(Other definitions for aroma that I've seen before include "Spicy fragrance" , "Pleasant odour" , "Bouquet" , "Test of knowledge" , "Food fragrance" .)

I've seen this clue in The Times.

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