Crossword Genius

Railway union? (8)

Ross

I believe the answer is:

junction

I believe this clue is a double definition.

'railway' is the first definition.
(thesaurus)

'union?' is the second definition.
(junction is a kind of union)

(Other definitions for junction that I've seen before include "Union - joint" , "Motorway exit" , "Point of union" , "Intersection" , "meeting-place" .)

I've seen this clue in The Telegraph.
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