yawmeter
/ˈjɔːˌmiːtər/
noun
- An instrument used to measure the yaw (side-to-side movement) of an aircraft, ship, or other vehicle.
- Engineers installed a yawmeter on the sailboat to study its turning behavior.
- The pilot checked the yawmeter to ensure the plane was flying straight.
- The yawmeter showed a sudden deviation when the wind gust hit the drone.