Crossword Genius

Last order for sailor (4)

Ross

I believe the answer is:

salt

'for sailor' is the definition.
(salt is a kind of sailor)

'last order' is the wordplay.
'order' is an anagram indicator.
'last' is an anagram of 'SALT'.

(Other definitions for salt that I've seen before include "NaCl" , "Sea dog" , "Crystalline substance for the table" , "Seasoning; old sailor" , "A defence against ice" .)

I've seen this clue in The Mirror.
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