Origin: Greek suffix -scope
Gyroscope has 2 different meanings across 1 category:
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.
The word gyroscope comes from the French term coined in 1852 by physicist Leon Foucault. It combines Ancient Greek roots meaning "circle" and "watcher."