Crossword Genius

Train link? (6)

Ross

I believe the answer is:

string

I believe this clue is a double definition.

'train' is the first definition.
('string' can be a synonym of 'train')

'link?' is the second definition.
(thesaurus)

(Other definitions for string that I've seen before include "Part of racket" , "train" , "A lightweight cord" , "Cord, strand, thread" , "light cord" .)

I've seen this clue in The Telegraph.
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