Tooth that rotates (3)
I believe the answer is:
cog
(Other definitions for cog that I've seen before include "Projection on a toothed wheel" , "one engaged in revolutionary activity" , "Little gearwheel" , "Junior official" , "Machine wheel" .)
I believe the answer is:
cog
(Other definitions for cog that I've seen before include "Projection on a toothed wheel" , "one engaged in revolutionary activity" , "Little gearwheel" , "Junior official" , "Machine wheel" .)