Crossword Genius

Sort of order sent to pals? (6)

Ross

I believe the answer is:

postal

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'sort of order sent to pals?' is the definition.
I can't tell whether this definition defines the answer.

'sent to pals?' is the wordplay.
'sent' indicates anagramming the letters (send can mean to excite or stimulate).
'to'+'pals'='topals'
'topals' is an anagram of 'POSTAL'.

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(Other definitions for postal that I've seen before include "To Alps (anag.)" , "Relating to mail service" , "To do with snail mail" , "to go so mad in America" , "Sort of vote" .)

I've seen this clue in the Evening Standard.
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