Changes course (5)
(Other definitions for veers that I've seen before include "Turns sharply" , "Changes direction abruptly" , "Swerves" .)
'changes course' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for turns that I've seen before include "Bends" , "Revolves" , "Changes direction" , "Starts" , "Goes off" .)