Crossword Genius

Second postman in a row (4)

Ross

I believe the answer is:

spat

'a row' is the definition.
(a spat is a disagreement or argument)

'second postman' is the wordplay.
'second' becomes 's' (common abbreviation).
'postman' becomes 'pat' (children's TV character Postman Pat).
's'+'pat'='SPAT'

'in' acts as a link.

(Other definitions for spat that I've seen before include "Minor argument" , "Quarrel; oyster spawn" , "Slight argument" , "Gestured with contempt" , "Disagreement" .)

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