What is the meaning of Gyro?

A gyroscope.

A gyrocompass.

An autogyro.

Synonym of detangler.

A style of Greek sandwich commonly filled with grilled meat, tomato, onions, and tzatziki sauce.

gyro; alternative spelling of gyros (Greek sandwich)

to turn in a circle, wheel around, rotate

to circle, revolve around

a gyroscope

Source: wiktionary.org