noun
gyro
A spinning instrument that preserves a stable orientation.
The gyro helps the pilot keep the plane level.
Etymology
Gyro shortens gyroscope. The instrument’s name combines the idea of a circle or rotation with observation, referring to the behavior of its spinning component.
More examples
- A spinning gyro resists changes in its orientation.
- The ship's gyro points toward true north.
- Engineers test the gyros before installing them in the navigation system.
Forms
gyro · gyros
gyroscopic adjective — Relating to a gyroscope or its operation.
Similar words
- gyroscope
- The full technical name for the basic spinning instrument.
- gyrocompass
- Specifically uses a gyroscope to indicate true north.