yaw

intransitive verb

1. to swing back and forth across its course, as a ship pushed by high waves
2. to swing to the left or right on the vertical axis so that the longitudinal axis forms an angle with the line of flight; esp., to rotate or oscillate about the vertical axis: said of a projectile, aircraft, spacecraft, etc.

transitive verb

noun

1. an act of yawing
2. the angle formed by a yawing craft