(aviation) A gyroscopic flight instrument that provides heading information.

plural of directional gyro

An apparatus composed of a wheel which spins inside of a frame (gimbal) and causes the balancing of the frame in any direction or position. In the form of a gyroscopic stabilizer, used to help keep aircraft and ships steady.

(sports) A spinning pitch thrown most commonly by Japanese baseball players.

(aviation) An autogyro, similar to a helicopter.

A north-seeking form of gyroscope used as a directional reference in navigation.

To use a gyrocompass.

Pertaining to, by means of, or in the manner of a gyroscope.

plural of gyrocopter

plural of gyrocompass