cogwheel
cog-wheel
noun
A wheel with cogs around its edge, designed to engage another to transmit power.
"The old clock's cogwheels needed oiling."
Thesaurus
Synonyms: gear, geared wheel, gear wheel
cog-wheel
A wheel with cogs around its edge, designed to engage another to transmit power.
"The old clock's cogwheels needed oiling."
Synonyms: gear, geared wheel, gear wheel