To be irresolute; to waver.
To cause to vary irregularly.
To vary irregularly; to swing.
To undulate.
To change direction or course suddenly; to swerve.
To shift in a clockwise direction (if in the Northern Hemisphere, or in a counterclockwise direction if in the Southern Hemisphere).
To shift aft.
To change direction into the wind; to wear ship.
To turn.
A turn or swerve; an instance of veering.