Crossword Genius

Guard despatched by railway (6)

Ross

I believe the answer is:

sentry

'guard' is the definition.
(I know that sentry is a type of security guard)

'despatched by railway' is the wordplay.
'despatched' becomes 'sent' (to despatch is to send off).
'by' means one lot of letters go next to another.
'railway' becomes 'ry' (abbreviation).
'sent'+'ry'='SENTRY'

(Other definitions for sentry that I've seen before include "One keeps watch" , "Military lookout" , "Watchperson" , "Lookout person" , "Sentinel, watch" .)

I've seen this clue in The Daily Express.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.