Mounted Rotating Wheel Turns Freely in All Paths

Puzzle 19 of Digital Revolution Easy Pack

Question is: Mounted Rotating Wheel Turns Freely in All Paths

and the answer is: GYROSCOPE

Word Meaning:

GYROSCOPE — 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.

Definitions from Wiktionary.

Mounted rotating wheel turns freely in all paths Digital Revolution Answers | CodyCross Solutions