Swing round, not back (4)

I believe the answer is:

veer

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'swing round' is the definition.
(thesaurus)

I cannot understand how the remainder of the clue works.

(Other definitions for veer that I've seen before include "Suddenly change direction" , "Sudden direction change" , "Turn sharply" , "Change direction or course, like wind" , "Swerve" .)

I've seen this clue in the Evening Standard.

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