Crossword Genius

Post file (6)

Ross

I believe the answer is:

column

This clue is a double definition.

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

'file' is the second definition.
(column is a kind of file)

(Other definitions for column that I've seen before include "Linear display, of numbers say" , "Upright pillar and newsprint division" , "Tall cylindrical vertical upright" , "Pillar - newspaper slot" , "Newspaper article giving an opinion" .)

I've seen this clue in The Telegraph.
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