toothedwheels
nounUK /tuːθd wiːlz/
US /tuθd wilz/
Wheels with teeth around the edge that fit together to make machines move.
The old clock works because its toothedwheels turn each other.
OTHER MEANINGS
2. The parts inside a machine that pass turning power from one shaft to another.
The mechanic replaced the worn toothedwheels in the gearbox.
3. A set of wheels with teeth used in clocks and watches to keep time.
Tiny toothedwheels inside the watch ticked softly.
4. Wheels with teeth that link together like a chain of turning circles.
You can see the toothedwheels mesh when the toy robot walks.